Cruz, R. V., Francisco, H. A., & Torres, C. S. (1991). Agroecosystem analysis of Makiling Forest Reserve, Philippines. Environment and Resource Management Project, Institute of Environmental Science and Management, UPLB.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cruz, Rex Victor, Herminia A. Francisco, و Cleofe S. Torres. Agroecosystem Analysis of Makiling Forest Reserve, Philippines. College, Laguna: Environment and Resource Management Project, Institute of Environmental Science and Management, UPLB, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cruz, Rex Victor, et al. Agroecosystem Analysis of Makiling Forest Reserve, Philippines. Environment and Resource Management Project, Institute of Environmental Science and Management, UPLB, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.