Dyfyniad APA

Ira D Garard. (1969). Invitation to chemistry. New York: Doubleday.

Dyfyniad Arddull Chicago

Ira D Garard. Invitation to Chemistry. New York: Doubleday, 1969.

Dyfyniad MLA

Ira D Garard. Invitation to Chemistry. New York: Doubleday, 1969.

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