Style de citation APA

Duggal, K. N. (1983). Elements of Public Health Engineering (3rd.). S. Chand & Co..

Style de citation Chicago

Duggal, K N. Elements of Public Health Engineering. 3rd. New Delhi: S. Chand & Co., 1983.

Style de citation MLA

Duggal, K N. Elements of Public Health Engineering. 3rd. S. Chand & Co., 1983.

Attention : ces citations peuvent ne pas être correctes à 100%.