APA aipamena

J.A. Gulland. (1975). Manual of Methods for fisheries Resource Survey and Appraisal part5- Objective s and Basic Methods. FAO of the United Nations.

Chicago Style aipamena

J.A. Gulland. Manual of Methods for Fisheries Resource Survey and Appraisal Part5- Objective S and Basic Methods. Rome: FAO of the United Nations, 1975.

MLA aipamena

J.A. Gulland. Manual of Methods for Fisheries Resource Survey and Appraisal Part5- Objective S and Basic Methods. FAO of the United Nations, 1975.