Harris, T. A. (1969). I'm OK, you're OK: A practical guide to transactional analysis. Harper & Row.
Čikaški stil citiranja (17. izdanje)Harris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. New York: Harper & Row, 1969.
MLA način citiranja (9. izdanje)Harris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. Harper & Row, 1969.
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