Santos, A. (1985). Ang sistema ng profesor Tuko. Philippine Educational Theater Association, Documentation, Research and Publication Division.
Chicago-Zitierstil (17. Ausg.)Santos, Al. Ang Sistema Ng Profesor Tuko. [Quezon City]: Philippine Educational Theater Association, Documentation, Research and Publication Division, 1985.
MLA-Zitierstil (9. Ausg.)Santos, Al. Ang Sistema Ng Profesor Tuko. Philippine Educational Theater Association, Documentation, Research and Publication Division, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.