APA استشهاد

Gulshan, S. S. (2010). Business law (3rd ed.). Excel Books.

استشهاد بنمط شيكاغو

Gulshan, S S. Business Law. 3rd ed. New Delhi: Excel Books, 2010.

MLA استشهاد

Gulshan, S S. Business Law. 3rd ed. Excel Books, 2010.