Guevarra, D. G. (1991). History of the Philippine labor movement. Institute of Labor & Industrial Relations, Polytechnic University of the Philippines.
Chicago-Zitierstil (17. Ausg.)Guevarra, Dante G. History of the Philippine Labor Movement. Manila: Institute of Labor & Industrial Relations, Polytechnic University of the Philippines, 1991.
MLA-Zitierstil (9. Ausg.)Guevarra, Dante G. History of the Philippine Labor Movement. Institute of Labor & Industrial Relations, Polytechnic University of the Philippines, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.