Spencer, M. (2005, 10. February). Caffeine supplementation and its effects on performance. Zugriff unter http://www.wais.org.au/SiteTemplate-WAIS/upload/WAIS/1A51497997EA4E369EA3339E952100E8.pdf
APA (7th ed.) CitationSpencer, M. (2000). Caffeine supplementation and its effects on performance.
Chicago Style (17th ed.) CitationSpencer, M. Caffeine Supplementation and Its Effects on Performance. 2000.
MLA (9th ed.) CitationSpencer, M. Caffeine Supplementation and Its Effects on Performance. 2000.
Warning: These citations may not always be 100% accurate.