APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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