Gaya APA

Theron, C., Dowden, M. (2014). Strategic Sustainable Procurement = Law and Best Practice for the Public and Private Sectors . United Kingdom: Do Sustainability.

Gaya MLA

Theron, Collen., Dowden, Malcolm. "Strategic Sustainable Procurement = Law and Best Practice for the Public and Private Sectors". United Kingdom: Do Sustainability, 2014. Text.