Gaya APA

Mann, H, &, D. (1979). Water treatment and sanitation, a handbook of simple methods for rural areas in developing countries. . Nottingham: Russell Press.

Gaya MLA

Mann, H.T., &, D.Williamson.. "Water treatment and sanitation, a handbook of simple methods for rural areas in developing countries. ". Nottingham: Russell Press, 1979. Buku.