Παραπομπή APA

(1998). World resources: A guide to the global environment 1998-99. Tata Energy Research Institute.

Παραπομπή Chicago Style

World Resources: A Guide to the Global Environment 1998-99. New Delhi: Tata Energy Research Institute, 1998.

Παραπομπή MLA

World Resources: A Guide to the Global Environment 1998-99. Tata Energy Research Institute, 1998.