APA aipamena

Waples, D., & Stone, C. A. (1929). The teaching unit: A type study. D. Appleton and Co.

Chicago Style aipamena

Waples, Douglas, and Charles Arthur Stone. The Teaching Unit: A Type Study. New York: D. Appleton and Co, 1929.

MLA aipamena

Waples, Douglas, and Charles Arthur Stone. The Teaching Unit: A Type Study. D. Appleton and Co, 1929.