Villanueva, L. E., Cabrera, M. I. Z., & Barba, C. V. (2001). Calcium requirements of Filipinos. Journal of the Nutritionist-Dieticians' Association of the Philippines.
Citazione stile Chigago Style (17a edizione)Villanueva, Leonora E., Ma. Isabel Z. Cabrera, e Corazon VC Barba. "Calcium Requirements of Filipinos." Journal of the Nutritionist-Dieticians' Association of the Philippines 2001.
Citatione MLA (9a ed.)Villanueva, Leonora E., et al. "Calcium Requirements of Filipinos." Journal of the Nutritionist-Dieticians' Association of the Philippines, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.