APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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