APA aipamena

Sinha, P. C. (1998). International encyclopedia of sustainable development. Anmol Publications Pvt. Ltd.

Chicago Style aipamena

Sinha, P. C. International Encyclopedia of Sustainable Development. India: Anmol Publications Pvt. Ltd, 1998.

MLA aipamena

Sinha, P. C. International Encyclopedia of Sustainable Development. Anmol Publications Pvt. Ltd, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.