Cita APA (7th ed.)
Clark, L. H., & Starr, I. S. (1959). Secondary school teaching methods. Macmillan.
Cita Chicago (17th ed.)
Clark, Leonard H., i Irving S. Starr. Secondary School Teaching Methods. New York: Macmillan, 1959.
Cita MLA (9th ed.)
Clark, Leonard H., i Irving S. Starr. Secondary School Teaching Methods. Macmillan, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.