Villanueva, P. M. (1989). English skills for college freshmen. Katha Pub.
Chicago Style (17th ed.) CitationVillanueva, Perla M. English Skills for College Freshmen. Quezon City: Katha Pub, 1989.
MLA citiranjeVillanueva, Perla M. English Skills for College Freshmen. Katha Pub, 1989.
Opozorilo: Ti citati niso vedno 100% točni.