APA استشهاد

Keller, S., & Pearson, M. (2015). Port towns of Gujarat. Primus Books.

استشهاد بنمط شيكاغو

Keller, Sara, و Michael Pearson. Port Towns of Gujarat. Delhi: Primus Books, 2015.

MLA استشهاد

Keller, Sara, و Michael Pearson. Port Towns of Gujarat. Primus Books, 2015.