P�alacuppirama�niya�n, E. (1982). Digital mapping system. Dept. of Surveying, Papua New Guinea University of Technology.
Chicago Style (17th ed.) CitationP�alacuppirama�niya�n, Es. Digital Mapping System. Lae: Dept. of Surveying, Papua New Guinea University of Technology, 1982.
MLA (9th ed.) CitationP�alacuppirama�niya�n, Es. Digital Mapping System. Dept. of Surveying, Papua New Guinea University of Technology, 1982.
Warning: These citations may not always be 100% accurate.