توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Herrera, F. M. (1980). Farmers' perception of and attitude towards the Masagana 99 program in relation to their repayment behavior in Bay, Laguna [microform]. Photoduplication Service. University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Herrera, Frencesita M. Farmers' Perception of and Attitude Towards the Masagana 99 Program in Relation to Their Repayment Behavior in Bay, Laguna [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Herrera, Frencesita M. Farmers' Perception of and Attitude Towards the Masagana 99 Program in Relation to Their Repayment Behavior in Bay, Laguna [microform]. Photoduplication Service. University of the Philippines Library, 1980.