APA (7th ed.) Citation

Santos, A. (1990). Ang sistema ni Propesor Tuko. The Philippine Educational Theater Asso. Documentation, Research and Publication Division (PETA-ERP).

Chicago Style (17th ed.) Citation

Santos, Al. Ang Sistema Ni Propesor Tuko. [Manila}: The Philippine Educational Theater Asso. Documentation, Research and Publication Division (PETA-ERP), 1990.

MLA (9th ed.) Citation

Santos, Al. Ang Sistema Ni Propesor Tuko. The Philippine Educational Theater Asso. Documentation, Research and Publication Division (PETA-ERP), 1990.