Cita APA (7th ed.)
Burke, A. J., & Burk, M. A. (1967). Documentation in education.
Cita Chicago (17th ed.)
Burke, Arvid J., i Mary A. Burk. Documentation in Education. 1967.
Cita MLA (9th ed.)
Burke, Arvid J., i Mary A. Burk. Documentation in Education. 1967.
Atenció: Aquestes cites poden no estar 100% correctes.