APA সাইটেশন

Krebs, C. J. (1994). Ecology: The experimental analysis of distribution and abundance (Ed.4.).

শিকাগো স্টাইলে সাইটেশন

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Ed.4. New York, Harper Collins, 1994.

এমএলএ সাইটেশন

Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. Ed.4. 1994.