Carman, R. C., & Rodriguez, V. L. (1977). A content analysis of the UP-SEC integrated science I students's text [microform]. Photoduplication Service. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Carman, Rebecca C., e Violeta L. Rodriguez. A Content Analysis of the UP-SEC Integrated Science I Students's Text [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Carman, Rebecca C., e Violeta L. Rodriguez. A Content Analysis of the UP-SEC Integrated Science I Students's Text [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.