APA (7th ed.) Citation

Walsh, B. J., & Sombo, Z. (1986). Mapping your future: An introduction to surveying, cartography and land management at the Papua New Guinea University of Technology. Dept. of Surveying and Land Management, PNG University of Technology.

Chicago Style (17th ed.) Citation

Walsh, B. J., and Z. Sombo. Mapping Your Future: An Introduction to Surveying, Cartography and Land Management at the Papua New Guinea University of Technology. Lae: Dept. of Surveying and Land Management, PNG University of Technology, 1986.

MLA (9th ed.) Citation

Walsh, B. J., and Z. Sombo. Mapping Your Future: An Introduction to Surveying, Cartography and Land Management at the Papua New Guinea University of Technology. Dept. of Surveying and Land Management, PNG University of Technology, 1986.