Dyfyniad APA

National Public Works Conference (Australia). (1974). Cost planning of mechanical and electrical services for building projects (2d. ed.). [s.n.].

Dyfyniad Arddull Chicago

National Public Works Conference (Australia). Cost Planning of Mechanical and Electrical Services for Building Projects. 2d. ed. Canberra: [s.n.], 1974.

Dyfyniad MLA

National Public Works Conference (Australia). Cost Planning of Mechanical and Electrical Services for Building Projects. 2d. ed. [s.n.], 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.