Levintow, D. (1961). Worker's education: Study guide. University of the Philippines, Asian Labor Education Center.
Chicago-Zitierstil (17. Ausg.)Levintow, David. Worker's Education: Study Guide. Quezon City: University of the Philippines, Asian Labor Education Center, 1961.
MLA-Zitierstil (9. Ausg.)Levintow, David. Worker's Education: Study Guide. University of the Philippines, Asian Labor Education Center, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.