APA সাইটেশন

Avtar Singh. (1992). The principles of mercantile law (4th ed.). Eastern book company.

শিকাগো স্টাইলে সাইটেশন

Avtar Singh. The Principles of Mercantile Law. 4th ed. Lucknow: Eastern book company, 1992.

এমএলএ সাইটেশন

Avtar Singh. The Principles of Mercantile Law. 4th ed. Eastern book company, 1992.