U.S. Bureau of the Census. (1967). Pocket data book, U.S.A. U.S. Govt. Print. Off.].
Chicago (17e ed.) BronvermeldingU.S. Bureau of the Census. Pocket Data Book, U.S.A. [Washington: U.S. Govt. Print. Off.], 1967.
MLA (9e ed.) BronvermeldingU.S. Bureau of the Census. Pocket Data Book, U.S.A. U.S. Govt. Print. Off.], 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.