Halos, S. C. (2008). The abaca. Biotechnology Program Office, Department of Agriculture.
Chicago (17e ed.) BronvermeldingHalos, Saturnina C. The Abaca. Quezon City: Biotechnology Program Office, Department of Agriculture, 2008.
MLA (9e ed.) BronvermeldingHalos, Saturnina C. The Abaca. Biotechnology Program Office, Department of Agriculture, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.