Briones, R. d. l. C. (1977). Growth and yield performance of sweet potato varieties differing in morphological characteristics [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Briones, Ricardo de la Cruz. Growth and Yield Performance of Sweet Potato Varieties Differing in Morphological Characteristics [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Briones, Ricardo de la Cruz. Growth and Yield Performance of Sweet Potato Varieties Differing in Morphological Characteristics [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.