APA
(1956). Summaries of studies in agricultural agricaltural education. Washington, USA: U.S. Government Printing Office.
Chicago
1956. Summaries of studies in agricultural agricaltural education. Washington, USA: U.S. Government Printing Office.
Harvard
(1956). Summaries of studies in agricultural agricaltural education. Washington, USA: U.S. Government Printing Office.
MLA
Summaries of studies in agricultural agricaltural education. Washington, USA: U.S. Government Printing Office. 1956.
