Richard Gregory Cowden, Nicolas Mascret, & Timothy Ryan Duckett. (2021). A person-centered approach to achievement goal orientations in competitive tennis players: Associations with motivation and mental toughness. Elsevier.
Chicago Style (17th ed.) CitationRichard Gregory Cowden, Nicolas Mascret, and Timothy Ryan Duckett. A Person-centered Approach to Achievement Goal Orientations in Competitive Tennis Players: Associations with Motivation and Mental Toughness. Elsevier, 2021.
MLA (9th ed.) CitationRichard Gregory Cowden, et al. A Person-centered Approach to Achievement Goal Orientations in Competitive Tennis Players: Associations with Motivation and Mental Toughness. Elsevier, 2021.
Warning: These citations may not always be 100% accurate.