APA استشهاد

Sharma,RC, & Vatal,M. (1980). Oceanography for Geographers (3ed.). Chaitanya pub.House.

استشهاد بنمط شيكاغو

Sharma,RC, و Vatal,M. Oceanography for Geographers. 3ed. Allahabad: Chaitanya pub.House, 1980.

MLA استشهاد

Sharma,RC, و Vatal,M. Oceanography for Geographers. 3ed. Chaitanya pub.House, 1980.