Speelman, C. (2013). Enhancing human performance. Cambridge Scholars Publishing.
芝加哥风格引文Speelman, Craig. Enhancing Human Performance. Newcastle upon Tyne, [England]: Cambridge Scholars Publishing, 2013.
MLA引文Speelman, Craig. Enhancing Human Performance. Cambridge Scholars Publishing, 2013.
警告：这些引文格式不一定是100％准确.