Gaya APA

Buchholz, R, A. (1998). Principles of environmental management : the greening of business (2nd ed). Upper Saddle River, NJ: Prentice Hall.

Gaya MLA

Buchholz, Rogene, A.. "Principles of environmental management : the greening of business". 2nd ed Upper Saddle River, NJ: Prentice Hall, 1998. Text.