Dyfyniad APA

Norris Mc whirter. (1982). Guiness Book of Answers (4th.). Guiness Superlatives.

Dyfyniad Arddull Chicago

Norris Mc whirter. Guiness Book of Answers. 4th. Middlesex: Guiness Superlatives, 1982.

Dyfyniad MLA

Norris Mc whirter. Guiness Book of Answers. 4th. Guiness Superlatives, 1982.

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