APA (7th ed.) Citation

Aga, A. M. (2003). Apell's vis-avis questionnaire. University of the Philippines Diliman Extension Program in Pampanga.

Chicago Style (17th ed.) Citation

Aga, Alona M. Apell's Vis-avis Questionnaire. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2003.

MLA (9th ed.) Citation

Aga, Alona M. Apell's Vis-avis Questionnaire. University of the Philippines Diliman Extension Program in Pampanga, 2003.

Warning: These citations may not always be 100% accurate.