توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Philippines (Commonwealth) Dept. of Agriculture and Commerce. (1977). Land resources of the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Philippines (Commonwealth) Dept. of Agriculture and Commerce. Land Resources of the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Philippines (Commonwealth) Dept. of Agriculture and Commerce. Land Resources of the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1977.