APA استشهاد

Unnikrishnan, P. (2010). Rescue shelter (5th ed.). SPCS.

استشهاد بنمط شيكاغو

Unnikrishnan, Puthur. Rescue Shelter. 5th ed. Kottayam: SPCS, 2010.

MLA استشهاد

Unnikrishnan, Puthur. Rescue Shelter. 5th ed. SPCS, 2010.