Gaya APA

valley,Yarra, . (1979). Hydraulic Services and Stream management Study-Stage 1 . {s.n}: Gutteridge Haskins and Davey Pty Ltd.

Gaya MLA

valley,Yarra, . "Hydraulic Services and Stream management Study-Stage 1". {s.n}: Gutteridge Haskins and Davey Pty Ltd, 1979. Text.