APA (7th ed.) Citation

Lean, G. A. (1987). Counting systems of Papua New Guinea, volume 17: Bibliography. PNG University of Technology.

Chicago Style (17th ed.) Citation

Lean, Glendon A. Counting Systems of Papua New Guinea, Volume 17: Bibliography. Lae: PNG University of Technology, 1987.

MLA (9th ed.) Citation

Lean, Glendon A. Counting Systems of Papua New Guinea, Volume 17: Bibliography. PNG University of Technology, 1987.