Παραπομπή APA

Ells, R. (1979). International business philanthropy. Mc Millan.

Παραπομπή Chicago Style

Ells, Richard. International Business Philanthropy. New York: Mc Millan, 1979.

Παραπομπή MLA

Ells, Richard. International Business Philanthropy. Mc Millan, 1979.