Burnell, I. The power of positive doing. International Personal Development, Goodwill Publishing House.
Čikaški stil citiranja (17. izdanje)Burnell, Ivan. The Power of Positive Doing. Center Ossipee, NH : New Delhi: International Personal Development, Goodwill Publishing House.
MLA način citiranja (8. izdanje)Burnell, Ivan. The Power of Positive Doing. International Personal Development, Goodwill Publishing House.
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