Umali, D. L. (1960). Performance of Philippine upland and lowland rice varieties. College of Agriculture, University of the Philippines.
Chicago-Zitierstil (17. Ausg.)Umali, Dioscoro L. Performance of Philippine Upland and Lowland Rice Varieties. College, Laguna: College of Agriculture, University of the Philippines, 1960.
MLA-Zitierstil (9. Ausg.)Umali, Dioscoro L. Performance of Philippine Upland and Lowland Rice Varieties. College of Agriculture, University of the Philippines, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.