Cita APA (7th ed.)

Sadsad, B. D. (1974). Effective business psychology for Filipino students [microform]. Photoduplication Service.

Cita Chicago (17th ed.)

Sadsad, Brigido Dabu. Effective Business Psychology for Filipino Students [microform]. Quezon City: Photoduplication Service, 1974.

Cita MLA (9th ed.)

Sadsad, Brigido Dabu. Effective Business Psychology for Filipino Students [microform]. Photoduplication Service, 1974.