Παραπομπή σε μορφή APA (7η εκδ.)

Lazaro, P. M. C., & Tiangco, C. F. (2014). An exploratory study on the middle class concept of pagpaparaya. University of the Philippines Diliman Extension Program in Pampanga.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lazaro, Patricia Marie C., και Cristabel Fagela Tiangco. An Exploratory Study on the Middle Class Concept of Pagpaparaya. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lazaro, Patricia Marie C., και Cristabel Fagela Tiangco. An Exploratory Study on the Middle Class Concept of Pagpaparaya. University of the Philippines Diliman Extension Program in Pampanga, 2014.