Παραπομπή APA

Twark, A. J., & Dukes, W. P. B. (1973). Security Analysis & Portfolio Management, A Case Book. Holden-Day.

Παραπομπή Chicago Style

Twark, Allan J., και William P. Bowlin Dukes. Security Analysis & Portfolio Management, A Case Book. San Francisco: Holden-Day, 1973.

Παραπομπή MLA

Twark, Allan J., και William P. Bowlin Dukes. Security Analysis & Portfolio Management, A Case Book. Holden-Day, 1973.