Dyfyniad APA
McDowell, L. R. (2000). Vitamins in animal and human nutrition (2nd ed.). Iowa State University Press.
Dyfyniad Arddull Chicago
McDowell, L. R. Vitamins in Animal and Human Nutrition. 2nd ed. Ames: Iowa State University Press, 2000.
Dyfyniad MLA
McDowell, L. R. Vitamins in Animal and Human Nutrition. 2nd ed. Iowa State University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.