Olson. Better Green Business: Handbook for Environmentally Responsible and Profitable Business Practices (1.). Pearson India.
Chicago-referens (17:e uppl.)Olson. Better Green Business: Handbook for Environmentally Responsible and Profitable Business Practices. 1. Pearson India.
MLA-referens (8:e uppl.)Olson. Better Green Business: Handbook for Environmentally Responsible and Profitable Business Practices. 1. Pearson India.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.