CRISP MICHAEL. (1992). TWELVE STEPS TO SELF IMPROVEMENT. GALGOTIA PUBLICATIONS.
Chicago-čujuhus (17. p.)CRISP MICHAEL. TWELVE STEPS TO SELF IMPROVEMENT. NEW DELHI: GALGOTIA PUBLICATIONS, 1992.
MLA-čujuhus (9. p.)CRISP MICHAEL. TWELVE STEPS TO SELF IMPROVEMENT. GALGOTIA PUBLICATIONS, 1992.
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