Ball, B. (2000). Assessing your career: Time for change? British Psychological Society.
芝加哥风格引文Ball, Ben. Assessing Your Career: Time for Change? Leiceste: British Psychological Society, 2000.
MLA引文Ball, Ben. Assessing Your Career: Time for Change? British Psychological Society, 2000.
警告：这些引文格式不一定是100％准确.