Vincent Peale, N. (2019). The power of positive thinking for young people. Better yourself books.
Čikaški stil citiranja (17. izdanje)Vincent Peale, Norman. The Power of Positive Thinking for Young People. India: Better yourself books, 2019.
MLA način citiranja (9. izdanje)Vincent Peale, Norman. The Power of Positive Thinking for Young People. Better yourself books, 2019.
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