Citazione Stile APA (7a Edizione)

Coloma, M. A. (1976). Problem solving skills of sophomore students as developed in general science in a selecyted high school [microform]. Photoduplication Service. University of the Philippines Library.

Citazione stile Chigago Style (17a edizione)

Coloma, Maria Asuncion. Problem Solving Skills of Sophomore Students as Developed in General Science in a Selecyted High School [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.

Citatione MLA (9a ed.)

Coloma, Maria Asuncion. Problem Solving Skills of Sophomore Students as Developed in General Science in a Selecyted High School [microform]. Photoduplication Service. University of the Philippines Library, 1976.