Quadra, G. Q. (1980). Trends of National Labor Relations Commission (NLRC) decisions. Rex Book Store.
Chicago-viite (17. p.)Quadra, Geronimo Q. Trends of National Labor Relations Commission (NLRC) Decisions. Manila: Rex Book Store, 1980.
MLA-viite (9. p.)Quadra, Geronimo Q. Trends of National Labor Relations Commission (NLRC) Decisions. Rex Book Store, 1980.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.