Gaya APA

Heerwagen, P, D. (1988). Investing for total return: the low-risk, high-return approach to investing for income & capital appreciation . Chicago: Probus.

Gaya MLA

Heerwagen, Peter, D.. "Investing for total return: the low-risk, high-return approach to investing for income & capital appreciation". Chicago: Probus, 1988. Text.