Παραπομπή APA

Prasannakumar, V. (2007). Geomorphology of Kerala. University of Kerala.

Παραπομπή Chicago Style

Prasannakumar, V. Geomorphology of Kerala. Thiruvananthapuram: University of Kerala, 2007.

Παραπομπή MLA

Prasannakumar, V. Geomorphology of Kerala. University of Kerala, 2007.