APA استشهاد

Brown, E. . E., & Gratzek, J. B. (1980). Fish farming hand book. AVI Publishing.

استشهاد بنمط شيكاغو

Brown, E Evan, و John B. Gratzek. Fish Farming Hand Book. Connecticut: AVI Publishing, 1980.

MLA استشهاد

Brown, E Evan, و John B. Gratzek. Fish Farming Hand Book. AVI Publishing, 1980.