Gaya APA

D.C., A, C, S, W. (1969). Cleaning our environment the chemical basis for action . Washington : D.C.: American Chemical Society, Washington, D.C..

Gaya MLA

D.C., AMERICAN, Chemical, Society,, Washington,. "Cleaning our environment the chemical basis for action". Washington : D.C.: American Chemical Society, Washington, D.C., 1969. Buku.