Παραπομπή σε μορφή APA (7η εκδ.)

Krass, P. (1997). The book of business wisdom: Classic writings by the legends of commerce and industry. J. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Krass, Peter. The Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. New York: J. Wiley, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Krass, Peter. The Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. J. Wiley, 1997.