Cita APA (7th ed.)

Ungos, P. D. J. (1998). Labor code of the Philippines annotated. Rex Book Store.

Cita Chicago (17th ed.)

Ungos, Paulino D. Jr. Labor Code of the Philippines Annotated. Manila: Rex Book Store, 1998.

Cita MLA (9th ed.)

Ungos, Paulino D. Jr. Labor Code of the Philippines Annotated. Rex Book Store, 1998.