Lerner, J. M. (1995). Incentives and disincentives for community participation in the conservation of Makiling Forest Reserve, Philippines: A preliminary examination. ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lerner, John Michael. Incentives and Disincentives for Community Participation in the Conservation of Makiling Forest Reserve, Philippines: A Preliminary Examination. College, Laguna: ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lerner, John Michael. Incentives and Disincentives for Community Participation in the Conservation of Makiling Forest Reserve, Philippines: A Preliminary Examination. ERMP, Institute of Environmental Science and Management, College of Arts and Sciences, University of the Philippines at Los Banos, 1995.