APA-referens (7:e uppl.)

Nicholls, A., & Opal, C. (2005). Fair trade: Market-driven ethical consumption. Sage Publications, Ltd.

Chicago-referens (17:e uppl.)

Nicholls, Alex, och Charlotte Opal. Fair Trade: Market-driven Ethical Consumption. London: Sage Publications, Ltd, 2005.

MLA-referens (9:e uppl.)

Nicholls, Alex, och Charlotte Opal. Fair Trade: Market-driven Ethical Consumption. Sage Publications, Ltd, 2005.