APA aipamena

Welch, P. S. (1952). Limnology (2.). Mcgrawhill.

Chicago Style aipamena

Welch, Paul S. Limnology. 2. NY: Mcgrawhill, 1952.

MLA aipamena

Welch, Paul S. Limnology. 2. Mcgrawhill, 1952.