Cita APA (7th ed.)

Otto, W., & Koenke, K. (1969). Remedial teaching: Research and comment. Houghton Mifflin.

Cita Chicago (17th ed.)

Otto, Wayne, i Karl Koenke. Remedial Teaching: Research and Comment. Boston: Houghton Mifflin, 1969.

Cita MLA (8th ed.)

Otto, Wayne, i Karl Koenke. Remedial Teaching: Research and Comment. Houghton Mifflin, 1969.