APA Alıntı

Drucker, P. F. (1971). Men, ideas & politics: Essays. New York: Harper & Row.

Chicago Stili Alıntı

Drucker, Peter F. Men, Ideas & Politics: Essays. New York: Harper & Row, 1971.

MLA Alıntı

Drucker, Peter F. Men, Ideas & Politics: Essays. New York: Harper & Row, 1971.