Παραπομπή σε μορφή APA (7η εκδ.)

Roa, A. M., & Francicso, M. L. d. (2003). Assessment of the vitamin A fortification of peanut butter on middle-income and low-income Filipino families and consumers in Cebu city.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roa, Abigail Matidios, και Ma. Leonora dL Francicso. Assessment of the Vitamin A Fortification of Peanut Butter on Middle-income and Low-income Filipino Families and Consumers in Cebu City. 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Roa, Abigail Matidios, και Ma. Leonora dL Francicso. Assessment of the Vitamin A Fortification of Peanut Butter on Middle-income and Low-income Filipino Families and Consumers in Cebu City. 2003.