Wallis, J. H. (1973). Personal counselling: An introduction to relationship therapy. Allen and Unwin.
芝加哥风格引文Wallis, J. H. Personal Counselling: An Introduction to Relationship Therapy. London: Allen and Unwin, 1973.
MLA引文Wallis, J. H. Personal Counselling: An Introduction to Relationship Therapy. Allen and Unwin, 1973.
警告：这些引文格式不一定是100％准确.