Harris, T. A. (1969). I'm OK, you're OK: A practical guide to transactional analysis. National Book Store.
Chicago Style (17. basım) AtıfHarris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. Manila: National Book Store, 1969.
MLA (9th ed.) AtıfHarris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. National Book Store, 1969.
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