Burns, F. C. (1976). Catholic catechism classes in the public elementary schools of Manila in 1960-1961: An evaluation [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Burns, Fidelis Celestine. Catholic Catechism Classes in the Public Elementary Schools of Manila in 1960-1961: An Evaluation [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Burns, Fidelis Celestine. Catholic Catechism Classes in the Public Elementary Schools of Manila in 1960-1961: An Evaluation [microform]. Photoduplication Service. University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.