APA
(1956). National leadership development conference in trade and industrial education. Washington, USA: U.S. Government Printing Office.
Chicago
1956. National leadership development conference in trade and industrial education. Washington, USA: U.S. Government Printing Office.
Harvard
(1956). National leadership development conference in trade and industrial education. Washington, USA: U.S. Government Printing Office.
MLA
National leadership development conference in trade and industrial education. Washington, USA: U.S. Government Printing Office. 1956.
