Style de citation APA

Duggal, K. N. (1983). Elements of public health engineering (3rd.). S. Chand.

Style de citation Chicago

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

Style de citation MLA

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

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