Dyfyniad APA

U.S. Bureau of the Census. (1967). Pocket data book, U.S.A. U.S. Govt. Print. Off.].

Dyfyniad Arddull Chicago

U.S. Bureau of the Census. Pocket Data Book, U.S.A. [Washington: U.S. Govt. Print. Off.], 1967.

Dyfyniad MLA

U.S. Bureau of the Census. Pocket Data Book, U.S.A. U.S. Govt. Print. Off.], 1967.

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