APA
(1962). Sabbatical leave in American higher education : Origin early history and current practices. Washington, USA: U.S. Department of Health, Education, and Welfare.
Chicago
1962. Sabbatical leave in American higher education : Origin early history and current practices. Washington, USA: U.S. Department of Health, Education, and Welfare.
Harvard
(1962). Sabbatical leave in American higher education : Origin early history and current practices. Washington, USA: U.S. Department of Health, Education, and Welfare.
MLA
Sabbatical leave in American higher education : Origin early history and current practices. Washington, USA: U.S. Department of Health, Education, and Welfare. 1962.
