Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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