Cita APA (7th ed.)

Gibb, A., Jr. Preliminary data on non-farm employment changes in agricultural sub-region [microfilm]. Photoduplication Service, University of the Philippines Library,1976.

Cita Chicago (17th ed.)

Gibb, Arthur, Jr. Preliminary Data on Non-farm Employment Changes in Agricultural Sub-region [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.

Cita MLA (9th ed.)

Gibb, Arthur, Jr. Preliminary Data on Non-farm Employment Changes in Agricultural Sub-region [microfilm]. Photoduplication Service, University of the Philippines Library,1976.