APA
(1976). Developing local courses of study in vocational agriculture. Columbus, Ohio: Ohio Agricultural Education Curriculum Material Service.
Chicago
1976. Developing local courses of study in vocational agriculture. Columbus, Ohio: Ohio Agricultural Education Curriculum Material Service.
Harvard
(1976). Developing local courses of study in vocational agriculture. Columbus, Ohio: Ohio Agricultural Education Curriculum Material Service.
MLA
Developing local courses of study in vocational agriculture. Columbus, Ohio: Ohio Agricultural Education Curriculum Material Service. 1976.