Gaya APA

m.pd, D, E, S, S. (1984). Labor economics : Wages, Employment, Trade Unionism, and Public Policy (5th ed.). illionis: richard d. irwin.

Gaya MLA

m.pd, Dr., Ella, Sulhah, S,. "Labor economics : Wages, Employment, Trade Unionism, and Public Policy". 5th ed. illionis: richard d. irwin, 1984. Text.