Ignacio, G. P. (1976). An achievement test in English for grade one Waray learners. University of the Philippines Library.
Chicago-referens (17:e uppl.)Ignacio, Gregorio Pedere. An Achievement Test in English for Grade One Waray Learners. Quezon City: University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Ignacio, Gregorio Pedere. An Achievement Test in English for Grade One Waray Learners. University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.