Barber, B. (2012). Portraits: A practical and inspirational workbook. Arcturus Publishing Limited.
芝加哥风格引文Barber, Barrington. Portraits: A Practical and Inspirational Workbook. Bermondsey Street, London: Arcturus Publishing Limited, 2012.
MLA引文Barber, Barrington. Portraits: A Practical and Inspirational Workbook. Arcturus Publishing Limited, 2012.
警告：这些引文格式不一定是100％准确.