Παραπομπή σε μορφή APA (7η εκδ.)

Villanueva, L. E., Cabrera, M. I. Z., & Barba, C. V. (2001). Calcium requirements of Filipinos. Journal of the Nutritionist-Dieticians' Association of the Philippines.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Villanueva, Leonora E., Ma. Isabel Z. Cabrera, και Corazon VC Barba. "Calcium Requirements of Filipinos." Journal of the Nutritionist-Dieticians' Association of the Philippines 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Villanueva, Leonora E., et al. "Calcium Requirements of Filipinos." Journal of the Nutritionist-Dieticians' Association of the Philippines, 2001.