Papua New Guinea. Department of Agriculture and Livestock & Hughes, M. J. (1989). Papua New Guinea seed potato scheme technoguide. Dept. of Agriculture and Livestock.
Style de citation Chicago (17e éd.)Papua New Guinea. Department of Agriculture and Livestock et M. J. Hughes. Papua New Guinea Seed Potato Scheme Technoguide. Port Moresby: Dept. of Agriculture and Livestock, 1989.
Style de citation MLA (9e éd.)Papua New Guinea. Department of Agriculture and Livestock et M. J. Hughes. Papua New Guinea Seed Potato Scheme Technoguide. Dept. of Agriculture and Livestock, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.