Παραπομπή APA

Sankaranarayana Ayyar, S. (1982). Studies on Sphaeroma species of Kerala back waters.

Παραπομπή Chicago Style

Sankaranarayana Ayyar, S. Studies on Sphaeroma Species of Kerala Back Waters. Dept. of Aquatic Biology & Fisheries, University of Kerala, Thiruvananthapuram, 1982.

Παραπομπή MLA

Sankaranarayana Ayyar, S. Studies on Sphaeroma Species of Kerala Back Waters. 1982.