APA-referens (7:e uppl.)

Strayer, G. D., & Engelhardt, N. L. (1920). The classroom teacher at work in American schools. American Book company.

Chicago-referens (17:e uppl.)

Strayer, George Drayton, och N. L. Engelhardt. The Classroom Teacher at Work in American Schools. New York: American Book company, 1920.

MLA-referens (8:e uppl.)

Strayer, George Drayton, och N. L. Engelhardt. The Classroom Teacher at Work in American Schools. American Book company, 1920.