Matias, N. P. (1969). Proposed skill builder series for Filipino high school students, (grade level 5.5-5.9) Pearl set.
Chicago-referens (17:e uppl.)Matias, Nellie P. Proposed Skill Builder Series for Filipino High School Students, (grade Level 5.5-5.9) Pearl Set. 1969.
MLA-referens (9:e uppl.)Matias, Nellie P. Proposed Skill Builder Series for Filipino High School Students, (grade Level 5.5-5.9) Pearl Set. 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.