Huelar, P. C., Alfonso, V. J., & Narciso, Z. V. (2004). Purchasing preferences of mothers/caregivers regarding Sangkap Pinoy Seal (SPS) food products and their preschoolers' micronutrient intake in selected areas of Pasig City. Philippine Journal of Nutrition.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Huelar, Paula C., Victor J. Alfonso, و Zenaida V. Narciso. "Purchasing Preferences of Mothers/caregivers Regarding Sangkap Pinoy Seal (SPS) Food Products and Their Preschoolers' Micronutrient Intake in Selected Areas of Pasig City." Philippine Journal of Nutrition 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Huelar, Paula C., et al. "Purchasing Preferences of Mothers/caregivers Regarding Sangkap Pinoy Seal (SPS) Food Products and Their Preschoolers' Micronutrient Intake in Selected Areas of Pasig City." Philippine Journal of Nutrition, 2004.