Cita APA (7th ed.)

Heptulla, N. (1993). Environment and development. Oxford & IBH Publishing Co. Pvt. Ltd..

Cita Chicago (17th ed.)

Heptulla, Najma. Environment and Development. New Delhi: Oxford & IBH Publishing Co. Pvt. Ltd., 1993.

Cita MLA (9th ed.)

Heptulla, Najma. Environment and Development. Oxford & IBH Publishing Co. Pvt. Ltd., 1993.