APA (7th ed.) Citation

Walsh, R., & Guan, J. S. (1985). Bumbu River: A survey. Dept. of Language & Social Science, PNG University of Technology.

Chicago Style (17th ed.) Citation

Walsh, Robynne, and Joe Siwi Guan. Bumbu River: A Survey. Lae: Dept. of Language & Social Science, PNG University of Technology, 1985.

MLA (9th ed.) Citation

Walsh, Robynne, and Joe Siwi Guan. Bumbu River: A Survey. Dept. of Language & Social Science, PNG University of Technology, 1985.