APA (7th ed.) Citation

Appropriate Technology Development Institute & Papua New Guinea University of Technology. Appropriate Technology Development Institute. (1990). Annual handbook. The Institute.

Chicago Style (17th ed.) Citation

Appropriate Technology Development Institute and Papua New Guinea University of Technology. Appropriate Technology Development Institute. Annual Handbook. Lae: The Institute, 1990.

MLA (9th ed.) Citation

Appropriate Technology Development Institute and Papua New Guinea University of Technology. Appropriate Technology Development Institute. Annual Handbook. The Institute, 1990.