Papua New Guinea. National Institutions Division. (1980). Design and technology course project for national high schools. The Division.
Chicago-referens (17:e uppl.)Papua New Guinea. National Institutions Division. Design and Technology Course Project for National High Schools. Boroko: The Division, 1980.
MLA-referens (9:e uppl.)Papua New Guinea. National Institutions Division. Design and Technology Course Project for National High Schools. The Division, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.