Tohutoro APA (7th ed.)

Nolledo, J. N. (1990). The labor code of the philippines as amended (1990 edition.). Rex Book Store.

Tohutoru Kātū Chicago (17th ed.)

Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Manila: Rex Book Store, 1990.

Tohutoro MLA (9th ed.)

Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Rex Book Store, 1990.