Armistead, W. (1979). Relationship between personality and motivational factors and academic achievement of Wagner High School students [microform]. Photoduplication Service. University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Armistead, William. Relationship Between Personality and Motivational Factors and Academic Achievement of Wagner High School Students [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
Lua MLA (9ú heag.)Armistead, William. Relationship Between Personality and Motivational Factors and Academic Achievement of Wagner High School Students [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.