Dyfyniad APA

Peters, E. I. (1984). Chemical skills (2nd ed.). New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Peters, Edward I. Chemical Skills. 2nd ed. New York: McGraw-Hill, 1984.

Dyfyniad MLA

Peters, Edward I. Chemical Skills. 2nd ed. New York: McGraw-Hill, 1984.

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