Gaya APA
Vincent, iorman. ().
Thje power of positve thinking .
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Gaya Chicago
Vincent, iorman.
Thje power of positve thinking.
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Text.
Gaya MLA
Vincent, iorman.
Thje power of positve thinking.
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Text.
Gaya Turabian
Vincent, iorman.
Thje power of positve thinking.
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Print.