Style de citation APA

Lakshman Singh. (2000). Oil and gas fields of India. Indian petroleum publishers.

Style de citation Chicago

Lakshman Singh. Oil and Gas Fields of India. Dehradun: Indian petroleum publishers, 2000.

Style de citation MLA

Lakshman Singh. Oil and Gas Fields of India. Indian petroleum publishers, 2000.

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