APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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