Παραπομπή APA

Monippally, M. M. (1997). The craft of business letter writing. Tata McGraw Hill.

Παραπομπή Chicago Style

Monippally, Mathew M. The Craft of Business Letter Writing. New Delhi: Tata McGraw Hill, 1997.

Παραπομπή MLA

Monippally, Mathew M. The Craft of Business Letter Writing. Tata McGraw Hill, 1997.