Não informado. (1979). Annals of Tropical Research. Visayas State College of Agriculture.
Chicago-Zitierstil (17. Ausg.)Não informado. Annals of Tropical Research. Baybay Leyte, Filipinas: Visayas State College of Agriculture, 1979.
MLA-Zitierstil (8. Ausg.)Não informado. Annals of Tropical Research. Visayas State College of Agriculture, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.