APA-referens

Butterfield, E. E. (1932). PUBLIC HEALTH ENGINEERING: FACTORS IN THE ECONOMICS OF WASTE DISPOSAL.

Chicago-stil citat

Butterfield, E. E. PUBLIC HEALTH ENGINEERING: FACTORS IN THE ECONOMICS OF WASTE DISPOSAL. 1932.

MLA-referens

Butterfield, E. E. PUBLIC HEALTH ENGINEERING: FACTORS IN THE ECONOMICS OF WASTE DISPOSAL. 1932.

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