APA ציטוט

Heller, R. (1995). The Leadership Imperative. New York: Truman Talley.

Trích dẫn kiểu Chicago

Heller, Robert. The Leadership Imperative. New York: Truman Talley, 1995.

ציטוט MLA

Heller, Robert. The Leadership Imperative. New York: Truman Talley, 1995.