Dyfyniad APA

Wilson, J. G. (1973). Environment and birth defects. Academic Press.

Dyfyniad Arddull Chicago

Wilson, James G. Environment and Birth Defects. New York: Academic Press, 1973.

Dyfyniad MLA

Wilson, James G. Environment and Birth Defects. Academic Press, 1973.

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