Cita APA (7a ed.)

Campins Eritja, M. (2004). Sustainability labelling and certification. Marcial Pons.

Cita Chicago Style (17a ed.)

Campins Eritja, Mar. Sustainability Labelling and Certification. Madrid ; Barcelona: Marcial Pons, 2004.

Cita MLA (9a ed.)

Campins Eritja, Mar. Sustainability Labelling and Certification. Marcial Pons, 2004.