APA-čujuhus (7. p.)

VENTRELLA.S.W. (2001). THE POWER OF POSITIVE THINKING. VERMILION.

Chicago-čujuhus (17. p.)

VENTRELLA.S.W. THE POWER OF POSITIVE THINKING. LONDON: VERMILION, 2001.

MLA-čujuhus (9. p.)

VENTRELLA.S.W. THE POWER OF POSITIVE THINKING. VERMILION, 2001.

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