APA استشهاد

Sengupta, R. (1971). Secretarial primer/3e (3rd ed.). Easter Law.

استشهاد بنمط شيكاغو

Sengupta, R.N. Secretarial Primer/3e. 3rd ed. Culcutta: Easter Law, 1971.

MLA استشهاد

Sengupta, R.N. Secretarial Primer/3e. 3rd ed. Easter Law, 1971.