Drucker, P. F. (1969). Preparing tomorrow's business leaders today. Englewood Cliffs: Prentice-Hall.
Chicago-стиль цитированияDrucker, Peter F. Preparing Tomorrow's Business Leaders Today. Englewood Cliffs: Prentice-Hall, 1969.
MLA-цитированиеDrucker, Peter F. Preparing Tomorrow's Business Leaders Today. Englewood Cliffs: Prentice-Hall, 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.