United States. Bureau of Community Environmental Management. (1971). Environmental health planning. For sale by the Supt. of Docs., U.S. Govt. Print. Off.].
Chicago (17e ed.) BronvermeldingUnited States. Bureau of Community Environmental Management. Environmental Health Planning. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
MLA (9e ed.) BronvermeldingUnited States. Bureau of Community Environmental Management. Environmental Health Planning. For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.