Cheung, S. Y. (1985). Relaxation training and precompetition anxiety levels of young gymnasts. [publisher not identified].
Chicago Style (17th ed.) CitationCheung, Siu Yin. Relaxation Training and Precompetition Anxiety Levels of Young Gymnasts. [Place of publication not identified]: [publisher not identified], 1985.
MLA (9th ed.) CitationCheung, Siu Yin. Relaxation Training and Precompetition Anxiety Levels of Young Gymnasts. [publisher not identified], 1985.
Warning: These citations may not always be 100% accurate.