Cissik, J. M. Julkaisussa Modern Athlete & Coach (2013)
Lawler, P. Julkaisussa Modern Athlete & Coach (2012)
Grosso, M. R. Julkaisussa Modern Athlete & Coach (2006)
Goldsmith, W. Julkaisussa Modern Athlete & Coach (2001)
Pilone, G. Julkaisussa Modern Athlete & Coach (2002)
Homenkova, L. S. Julkaisussa Modern Athlete & Coach (2001)
Smirnov, M. Julkaisussa Modern Athlete & Coach (1998)