Barretto-Lagunzad, C., & Ong, P. S. (2006). Endangered beauty: Mt. Malindang and its environs in Mindanao, Philippines. Southeast Asian Regional Center for Graduate Study and Research in Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barretto-Lagunzad, Catherine, و Perry Sim Ong. Endangered Beauty: Mt. Malindang and Its Environs in Mindanao, Philippines. [s.l.]: Southeast Asian Regional Center for Graduate Study and Research in Agriculture, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barretto-Lagunzad, Catherine, و Perry Sim Ong. Endangered Beauty: Mt. Malindang and Its Environs in Mindanao, Philippines. Southeast Asian Regional Center for Graduate Study and Research in Agriculture, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.