Women's Professional Motocross (English Wikipedia)

Nicholls, Adam R.; Polman, Remco C. J.; Levy, Andrew R.; Backhouse, Susan H. (2009-07-01). "Mental toughness in sport: Achievement level, gender, age, experience, and sport type differences" (PDF). Personality and Individual Differences. 47 (1): 73–75. doi:10.1016/j.paid.2009.02.006.
Horsburgh, Vanessa A.; Schermer, Julie Aitken; Veselka, Livia; Vernon, Philip A. (2009-01-01). "A behavioural genetic study of mental toughness and personality". Personality and Individual Differences. 46 (2): 100–105. doi:10.1016/j.paid.2008.09.009.
Durand-Bush, Natalie; Salmela, John H. (2002-01-01). "The Development and Maintenance of Expert Athletic Performance: Perceptions of World and Olympic Champions". Journal of Applied Sport Psychology. 14 (3): 154–171. doi:10.1080/10413200290103473. ISSN 1041-3200.
Jones, Graham (2002-01-01). "What Is This Thing Called Mental Toughness? An Investigation of Elite Sport Performers". Journal of Applied Sport Psychology. 14 (3): 205–218. doi:10.1080/10413200290103509. ISSN 1041-3200.
Maia, José A.R; Thomis, Martine; Beunen, Gaston (2002). "Genetic factors in physical activity levels: A twin study". American Journal of Preventive Medicine. 23 (2): 87–91. doi:10.1016/S0749-3797(02)00478-6. PMID 12133742.
Messner, Michael (1988). "Sports and Male Domination: The Female Athlete as Contested Ideological Terrain" (PDF). Sociology of Sport Journal. 5 (3): 197–211. doi:10.1123/ssj.5.3.197.

edgehill.ac.uk

Nicholls, Adam R.; Polman, Remco C. J.; Levy, Andrew R.; Backhouse, Susan H. (2009-07-01). "Mental toughness in sport: Achievement level, gender, age, experience, and sport type differences" (PDF). Personality and Individual Differences. 47 (1): 73–75. doi:10.1016/j.paid.2009.02.006.

"Women's Motocross and the Powder Puff Years". MotoDude "Life on Two Wheels". Retrieved 2015-11-23.

"Women's MSC History | MSC HISTORY". history.mscmotocross.com. Retrieved 2015-11-23.

Maia, José A.R; Thomis, Martine; Beunen, Gaston (2002). "Genetic factors in physical activity levels: A twin study". American Journal of Preventive Medicine. 23 (2): 87–91. doi:10.1016/S0749-3797(02)00478-6. PMID 12133742.

"Motocross America: The History". pigtailpals.com. 17 September 2019. Retrieved 2019-10-19.

"ProMotocross.com - Ashley Fiolek". www.promotocross.com. Retrieved 2015-11-09.

"Supercross FAQs - Racer X Online". Supercross FAQs - Racer X Online. Retrieved 2015-11-23.

"Women's Motocross History - History". www.womensmxhistory.com. Retrieved 2015-11-06.

Durand-Bush, Natalie; Salmela, John H. (2002-01-01). "The Development and Maintenance of Expert Athletic Performance: Perceptions of World and Olympic Champions". Journal of Applied Sport Psychology. 14 (3): 154–171. doi:10.1080/10413200290103473. ISSN 1041-3200.
Jones, Graham (2002-01-01). "What Is This Thing Called Mental Toughness? An Investigation of Elite Sport Performers". Journal of Applied Sport Psychology. 14 (3): 205–218. doi:10.1080/10413200290103509. ISSN 1041-3200.