APA citiranje

Harding, P. E., Freyne, D. F., & Bleeker, P. (1986). Land suitability evaluation for rainfed Arabica coffee production in Papua New Guinea. PNG Coffee Research Institute.

Chicago Style (17th ed.) Citation

Harding, Paul E., David F. Freyne, and Pieter Bleeker. Land Suitability Evaluation for Rainfed Arabica Coffee Production in Papua New Guinea. Kainantu: PNG Coffee Research Institute, 1986.

MLA citiranje

Harding, Paul E., et al. Land Suitability Evaluation for Rainfed Arabica Coffee Production in Papua New Guinea. PNG Coffee Research Institute, 1986.