Παραπομπή APA

Zahorchak, M. G. (1972). Art of low risk investing. Van nostroand reinhold companhy.

Παραπομπή Chicago Style

Zahorchak, Michael G. Art of Low Risk Investing. New york: Van nostroand reinhold companhy, 1972.

Παραπομπή MLA

Zahorchak, Michael G. Art of Low Risk Investing. Van nostroand reinhold companhy, 1972.