Cita APA (7th ed.)

Umali, C. R. S. (1975). Agricultural employment in region lll, Philippines, 1960-1972 [microform]. Photoduplication Service,University of the Philippines Library.

Cita Chicago (17th ed.)

Umali, Cesar Ricardo Santos. Agricultural Employment in Region Lll, Philippines, 1960-1972 [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1975.

Cita MLA (9th ed.)

Umali, Cesar Ricardo Santos. Agricultural Employment in Region Lll, Philippines, 1960-1972 [microform]. Photoduplication Service,University of the Philippines Library, 1975.