Mendoza, I. R. (1965). Aspect in English and Pangasinan verbs: A constrastive analysis. University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Mendoza, Isabel Roxas. Aspect in English and Pangasinan Verbs: A Constrastive Analysis. Quezon City: University of the Philippines, 1965.
Lua MLA (9ú heag.)Mendoza, Isabel Roxas. Aspect in English and Pangasinan Verbs: A Constrastive Analysis. University of the Philippines, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.