Alcala, A. C. (2001). Science, conservation, and development in the Philippine setting: A collection of articles in the Philippine setting. Siliman University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alcala, Angel C. Science, Conservation, and Development in the Philippine Setting: A Collection of Articles in the Philippine Setting. Dumaguete City, Philippines: Siliman University, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Alcala, Angel C. Science, Conservation, and Development in the Philippine Setting: A Collection of Articles in the Philippine Setting. Siliman University, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.