Southeast Asian Program for Potato Research and Development, Rasco, E., & Amante, V. (1994). Sweet potato variety evaluation. SAPPRAD.
Chicago (17e ed.) BronvermeldingSoutheast Asian Program for Potato Research and Development, E.T Rasco, en V.D.R Amante. Sweet Potato Variety Evaluation. Los Banos, Laguna: SAPPRAD, 1994.
MLA (9e ed.) BronvermeldingSoutheast Asian Program for Potato Research and Development, et al. Sweet Potato Variety Evaluation. SAPPRAD, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.