Citazione Stile APA (7a Edizione)

Alpas, P. Y. (1974). A contrastive analysis of English and Maguindanao verbs [microform]. Photoduplication Service, University of the Philippines Library.

Citazione stile Chigago Style (17a edizione)

Alpas, Pablo Y. A Contrastive Analysis of English and Maguindanao Verbs [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.

Citatione MLA (9a ed.)

Alpas, Pablo Y. A Contrastive Analysis of English and Maguindanao Verbs [microform]. Photoduplication Service, University of the Philippines Library, 1974.