Everhart, W. H., Eipper, A. W., & Young, W. D. (1975). Principles of fishery science. Comstock Publishing Associates, a division of Cornell University Press.
Dyfyniad Arddull ChicagoEverhart, Watson Harry, Alfred W. Eipper, and William D. Young. Principles of Fishery Science. Ithaca: Comstock Publishing Associates, a division of Cornell University Press, 1975.
Dyfyniad MLAEverhart, Watson Harry, et al. Principles of Fishery Science. Comstock Publishing Associates, a division of Cornell University Press, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.