Cita APA (7th ed.)

Mears, L. A., & Anden, T. L. (1976). Marketing costs and margins [microform]. Photoduplication Service, University of the Philippines.

Cita Chicago (17th ed.)

Mears, Leon A., i Teresa L. Anden. Marketing Costs and Margins [microform]. Quezon City: Photoduplication Service, University of the Philippines, 1976.

Cita MLA (9th ed.)

Mears, Leon A., i Teresa L. Anden. Marketing Costs and Margins [microform]. Photoduplication Service, University of the Philippines, 1976.