APA استشهاد

Velayudham, T. K. (1998). Foreign trade: Theory and practice. Wheeler.

استشهاد بنمط شيكاغو

Velayudham, T. K. Foreign Trade: Theory and Practice. New Delhi: Wheeler, 1998.

MLA استشهاد

Velayudham, T. K. Foreign Trade: Theory and Practice. Wheeler, 1998.