Hough, D. O. & Ray, R. (2001, 26. February). Stress fractures. Zugriff unter http://www.gssiweb.com/reflib/refs/21/d000000020000005e.cfm?btid=1&CFID=27297&CFTOKEN=55055659
APA (7th ed.) CitationHough, D. O., & Ray, R. (1994). Stress fractures.
Chicago Style (17th ed.) CitationHough, D. O., and R. Ray. Stress Fractures. 1994.
MLA (9th ed.) CitationHough, D. O., and R. Ray. Stress Fractures. 1994.
Warning: These citations may not always be 100% accurate.