Παραπομπή APA

Gulland J. A. (1966). Manual of sampling and statistical methods for fisheries biology. F A O United Nations.

Παραπομπή Chicago Style

Gulland J. A. Manual of Sampling and Statistical Methods for Fisheries Biology. Rome: F A O United Nations, 1966.

Παραπομπή MLA

Gulland J. A. Manual of Sampling and Statistical Methods for Fisheries Biology. F A O United Nations, 1966.