Παραπομπή APA

Riser, N. W., & Morse, M. P. (1960). Biology of the turbellaria. Mc graw Hill book company.

Παραπομπή Chicago Style

Riser, Nathan W., και M Patricia Morse. Biology of the Turbellaria. New Delhi: Mc graw Hill book company, 1960.

Παραπομπή MLA

Riser, Nathan W., και M Patricia Morse. Biology of the Turbellaria. Mc graw Hill book company, 1960.