Cita APA (7th ed.)

Appleton, J. (2014). Values in sustainable development. Routledge.

Cita Chicago (17th ed.)

Appleton, Jack. Values in Sustainable Development. Oxon, [England]: Routledge, 2014.

Cita MLA (9th ed.)

Appleton, Jack. Values in Sustainable Development. Routledge, 2014.