Sharpe, R. (1984). Lifeskills 1 : assertiveness - doing a good deal better with others: Assertiveness - doing a good deal better with others. Behavioural Press.
Chicago Style (17th ed.) CitationSharpe, Robert. Lifeskills 1 : Assertiveness - Doing a Good Deal Better with Others: Assertiveness - Doing a Good Deal Better with Others. London: Behavioural Press, 1984.
MLA (9th ed.) CitationSharpe, Robert. Lifeskills 1 : Assertiveness - Doing a Good Deal Better with Others: Assertiveness - Doing a Good Deal Better with Others. Behavioural Press, 1984.
Warning: These citations may not always be 100% accurate.