(2000, 06. January). Strength. Zugriff unter http://www.brianmac.demon.co.uk/strength.htm
APA (7th ed.) Citation(1997). Strength.
Chicago Style (17th ed.) CitationStrength. 1997.
MLA (9th ed.) CitationStrength. 1997.
Warning: These citations may not always be 100% accurate.