Cita APA (7a ed.)

Martinell Sempere, A. (2010). New perspectives on sustainability. Documenta Universitaria.

Cita Chicago Style (17a ed.)

Martinell Sempere, Alfons. New Perspectives on Sustainability. Girona: Documenta Universitaria, 2010.

Cita MLA (8a ed.)

Martinell Sempere, Alfons. New Perspectives on Sustainability. Documenta Universitaria, 2010.