Kirby, R., & Radford, J. (1976). Individual differences. Methuen.
芝加哥风格引文Kirby, Richard, 与 John Radford. Individual Differences. London: Methuen, 1976.
MLA引文Kirby, Richard, 与 John Radford. Individual Differences. Methuen, 1976.
警告：这些引文格式不一定是100％准确.