Dyfyniad APA

Parker, S. (1982). Synopsis and classification of living organisms. McGraw-Hill.

Dyfyniad Arddull Chicago

Parker, Sybil. Synopsis and Classification of Living Organisms. New York: McGraw-Hill, 1982.

Dyfyniad MLA

Parker, Sybil. Synopsis and Classification of Living Organisms. McGraw-Hill, 1982.

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