توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ravalo, J. R. (1976). A critical analysis of Division work conferences held in Albay from January, 1959 to December, 1961 [microform]. Photoduplication Service. University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ravalo, Jose R. A Critical Analysis of Division Work Conferences Held in Albay from January, 1959 to December, 1961 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Ravalo, Jose R. A Critical Analysis of Division Work Conferences Held in Albay from January, 1959 to December, 1961 [microform]. Photoduplication Service. University of the Philippines Library, 1976.