Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 43
Peter Drucker: Frases em inglês (página 6)
Frases em inglês.1930s- 1950s, The New Society (1950)
Fonte: 1990s and later, Post-Capitalist Society (1993), p. 3
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 2, p. 513
Fonte: 1930s- 1950s, The End of Economic Man (1939), p. 13
The Ecological Vision (1993)
1990s and later
Fonte: 1930s- 1950s, Landmarks of Tomorrow: A Report on the New 'Post-Modern' World (1959), p. 144
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 333
Fonte: 1930s- 1950s, The End of Economic Man (1939), pp. 245-246
Fonte: 1930s- 1950s, The Future of Industrial Man (1942), p. 96
Fonte: 1990s and later, Post-Capitalist Society (1993), p. 45
“[[Management] has authority only as long as it performs.”
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 301
Fonte: 1990s and later, Managing for the Future: The 1990's and Beyond (1992), p. 140
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 3, p. 739
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 182
Fonte: 1930s- 1950s, The End of Economic Man (1939), p. 9
Fonte: 1930s- 1950s, The Practice of Management (1954), p. 327
Fonte: 1930s- 1950s, The Practice of Management (1954), p. 41
Fonte: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 181