Fleege, U. H. (1956). Problems in education. Philippine-Unesco National Community School Training Center.
Chicago-referens (17:e uppl.)Fleege, Urban H. Problems in Education. Bayambang, Pangasinan: Philippine-Unesco National Community School Training Center, 1956.
MLA-referens (9:e uppl.)Fleege, Urban H. Problems in Education. Philippine-Unesco National Community School Training Center, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.