Schiebel, W. J. E. (1956). Labor-management relations in the secondary schools curriculum. Texas Study of Secondary Education.
Chicago-referens (17:e uppl.)Schiebel, Walter J. E. Labor-management Relations in the Secondary Schools Curriculum. Austin: Texas Study of Secondary Education, 1956.
MLA-referens (8:e uppl.)Schiebel, Walter J. E. Labor-management Relations in the Secondary Schools Curriculum. Texas Study of Secondary Education, 1956.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.