Peiffer, V. (1996). The duty trap: How to say 'No' when you feel you ought to say 'Yes'. Element Book Ltd..
Chicago Style (17th ed.) CitationPeiffer, Vera. The Duty Trap: How to Say 'No' When You Feel You Ought to Say 'Yes'. Shaftesbury,Dorset: Element Book Ltd., 1996.
MLA (9th ed.) CitationPeiffer, Vera. The Duty Trap: How to Say 'No' When You Feel You Ought to Say 'Yes'. Element Book Ltd., 1996.
Warning: These citations may not always be 100% accurate.