Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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