Cita APA (7a ed.)

Johnson, H. R. (1973). The Curriculum Materials Center: A Study of Policies and Practices in Selected Centers.

Cita Chicago Style (17a ed.)

Johnson, Harlan R. The Curriculum Materials Center: A Study of Policies and Practices in Selected Centers. 1973.

Cita MLA (9a ed.)

Johnson, Harlan R. The Curriculum Materials Center: A Study of Policies and Practices in Selected Centers. 1973.