Dyfyniad APA

BONNET BOB & KEEN DAN. (1995). SCIENCE FAIR PROJECTS: CHEMISTRY. GOODWILL PUBLISHING HOUSE.

Dyfyniad Arddull Chicago

BONNET BOB & KEEN DAN. SCIENCE FAIR PROJECTS: CHEMISTRY. NEW DELHI: GOODWILL PUBLISHING HOUSE, 1995.

Dyfyniad MLA

BONNET BOB & KEEN DAN. SCIENCE FAIR PROJECTS: CHEMISTRY. GOODWILL PUBLISHING HOUSE, 1995.

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