Citazione APA

Wagner, E. G., & Lanoix, J. N. (1959). Water supply for rural areas and small communities (1.). World Health Organisation.

Stile di citazione Chicago

Wagner, Edmund G., e J N. Lanoix. Water Supply for Rural Areas and Small Communities. 1. Geneva: World Health Organisation, 1959.

Citazione MLA

Wagner, Edmund G., e J N. Lanoix. Water Supply for Rural Areas and Small Communities. 1. World Health Organisation, 1959.