Tohutoro APA (7th ed.)
Speelman, C. (2013). Enhancing human performance. Cambridge Scholars Publishing.
Tohutoru Kātū Chicago (17th ed.)
Speelman, Craig. Enhancing Human Performance. Newcastle upon Tyne, [England]: Cambridge Scholars Publishing, 2013.
Tohutoro MLA (9th ed.)
Speelman, Craig. Enhancing Human Performance. Cambridge Scholars Publishing, 2013.
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