Ang ating kaligayahan isang aklat na inihahandog sa mga ina at mga guro na hinusay ni B. Ross [microform].

Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας:	Roos, Bernardo
Μορφή:	Visual Material
Έκδοση:	Quezon City Photoduplication Service, University of the Philippines Library 1976.
Θέματα:	Catholic Church > Catechisms and creeds > Tagalog. Religious education of children.