APA (7th ed.) Citation

Papua and New Guinea Institute of Technology. Dept. of Mathematics. (1973). Hire purchase (1973 ed.). Papua and New Guinea Institute of Technology, Mathematics Dept..

Chicago Style (17th ed.) Citation

Papua and New Guinea Institute of Technology. Dept. of Mathematics. Hire Purchase. 1973 ed. [Lae]: Papua and New Guinea Institute of Technology, Mathematics Dept., 1973.

MLA (9th ed.) Citation

Papua and New Guinea Institute of Technology. Dept. of Mathematics. Hire Purchase. 1973 ed. Papua and New Guinea Institute of Technology, Mathematics Dept., 1973.