APA (7. basım) Alıntı

Levin, J. R. (1977). Learner differences: Diagnosis and prescription. Holt, Rinehart and Winston.

Chicago Style (17. basım) Atıf

Levin, Joel R. Learner Differences: Diagnosis and Prescription. New York: Holt, Rinehart and Winston, 1977.

MLA (8th ed.) Atıf

Levin, Joel R. Learner Differences: Diagnosis and Prescription. Holt, Rinehart and Winston, 1977.