Dyfyniad APA

Alan P. Pritchard. (1988). Biology and human welfare: Case studies in teaching applied biology. Unesco.

Dyfyniad Arddull Chicago

Alan P. Pritchard. Biology and Human Welfare: Case Studies in Teaching Applied Biology. Paris: Unesco, 1988.

Dyfyniad MLA

Alan P. Pritchard. Biology and Human Welfare: Case Studies in Teaching Applied Biology. Unesco, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.