Sinco, E. D. (1968). Student needs and college environments of selected universities in the Philippines. University Microfilms.
Lua i Stíl Chicago (17ú heag.)Sinco, Edelmira D. Student Needs and College Environments of Selected Universities in the Philippines. Ann Arbor: University Microfilms, 1968.
Lua MLA (9ú heag.)Sinco, Edelmira D. Student Needs and College Environments of Selected Universities in the Philippines. University Microfilms, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.