Dyfyniad APA

DHINGRA PUBLISHING HOUSE. (2005). THE BIG BOOK OF SCIENCE PROJECTS. DHINGRA PUBLISHING HOUSE.

Dyfyniad Arddull Chicago

DHINGRA PUBLISHING HOUSE. THE BIG BOOK OF SCIENCE PROJECTS. NEW DELHI: DHINGRA PUBLISHING HOUSE, 2005.

Dyfyniad MLA

DHINGRA PUBLISHING HOUSE. THE BIG BOOK OF SCIENCE PROJECTS. DHINGRA PUBLISHING HOUSE, 2005.

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