Gaya APA

Cairncross, S., Feachem, R, G. (1983). Environmental health engineering in the tropics : an introductory text . Chichester: John Wiley.

Gaya MLA

Cairncross, Sandy., Feachem, Richard, G.. "Environmental health engineering in the tropics : an introductory text". Chichester: John Wiley, 1983. Text.