Dyfyniad APA

S.t Paul, & Mel Tinkenberg. (1961). The book of popular science: 3. New York: Grolier Incorporated.

Dyfyniad Arddull Chicago

S.t Paul, và Mel Tinkenberg. The Book of Popular Science: 3. New York: Grolier Incorporated, 1961.

Dyfyniad MLA

S.t Paul, và Mel Tinkenberg. The Book of Popular Science: 3. New York: Grolier Incorporated, 1961.

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