Benjamin, E. L. (1974). The difficulties encountered in the "Laguna Approach" to community education and suggestions to overcome them [microform]. Photoduplication Service, University of the Philippines Library.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Benjamin, Elena L. The Difficulties Encountered in the "Laguna Approach" to Community Education and Suggestions to Overcome Them [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Benjamin, Elena L. The Difficulties Encountered in the "Laguna Approach" to Community Education and Suggestions to Overcome Them [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.