CHAPMAN ELWOODS N. (1990). ATTITUDE YOUR MOST PRICELESS POSSESSION.A PRACTICAL WORKABLE GUIDE TO BETTER HUMAN RELATIONS. CRISP PUBLICATION.
Chicago-viite (17. p.)CHAPMAN ELWOODS N. ATTITUDE YOUR MOST PRICELESS POSSESSION.A PRACTICAL WORKABLE GUIDE TO BETTER HUMAN RELATIONS. CALIFORNIA: CRISP PUBLICATION, 1990.
MLA-viite (9. p.)CHAPMAN ELWOODS N. ATTITUDE YOUR MOST PRICELESS POSSESSION.A PRACTICAL WORKABLE GUIDE TO BETTER HUMAN RELATIONS. CRISP PUBLICATION, 1990.
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