APA استشهاد

(1990). Calcutta 1981: The city its crisis and the debate on urban planning and development. Concept.

استشهاد بنمط شيكاغو

Calcutta 1981: The City Its Crisis and the Debate on Urban Planning and Development. New Delhi: Concept, 1990.

MLA استشهاد

Calcutta 1981: The City Its Crisis and the Debate on Urban Planning and Development. Concept, 1990.