Cita APA (7th ed.)

Rothkopf, E. Z., & Johnson, P. E. (1971). Verbal learning research and the technology of written instruction. Teachers College Press.

Cita Chicago (17th ed.)

Rothkopf, Ernst Z., i Paul E. Johnson. Verbal Learning Research and the Technology of Written Instruction. Nueva York: Teachers College Press, 1971.

Cita MLA (9th ed.)

Rothkopf, Ernst Z., i Paul E. Johnson. Verbal Learning Research and the Technology of Written Instruction. Teachers College Press, 1971.