Cita APA (7th ed.)

Macatimpag, L. C. (1977). Mechanical aptitude of high school students [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago (17th ed.)

Macatimpag, Leoncio C. Mechanical Aptitude of High School Students [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

Cita MLA (9th ed.)

Macatimpag, Leoncio C. Mechanical Aptitude of High School Students [microform]. Photoduplication Service, University of the Philippines Library, 1977.