APA-referens (7:e uppl.)

Levintow, D. (1961). Worker's education: Study guide. University of the Philippines, Asian Labor Education Center.

Chicago-referens (17:e uppl.)

Levintow, David. Worker's Education: Study Guide. Quezon City: University of the Philippines, Asian Labor Education Center, 1961.

MLA-referens (9:e uppl.)

Levintow, David. Worker's Education: Study Guide. University of the Philippines, Asian Labor Education Center, 1961.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.