Philippine Social Institute & Federation of Free Workers (Philippines). (1990). Philippine Social Institute: The educational arm of the Federation of Free Workers. Philippine Social Institute, Federation of Free Workers.
Chicago-Zitierstil (17. Ausg.)Philippine Social Institute und Federation of Free Workers (Philippines). Philippine Social Institute: The Educational Arm of the Federation of Free Workers. Manila: Philippine Social Institute, Federation of Free Workers, 1990.
MLA-Zitierstil (9. Ausg.)Philippine Social Institute und Federation of Free Workers (Philippines). Philippine Social Institute: The Educational Arm of the Federation of Free Workers. Philippine Social Institute, Federation of Free Workers, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.