袁弘. (2009). 自我催眠术帮你缓解心理压力: Self-hypnosis helps you to relief mind stress. 重庆出版社.
Chicago (17e ed.) Bronvermelding袁弘. 自我催眠术帮你缓解心理压力: Self-hypnosis Helps You to Relief Mind Stress. 重庆出版社, 2009.
MLA (8e ed.) Bronvermelding袁弘. 自我催眠术帮你缓解心理压力: Self-hypnosis Helps You to Relief Mind Stress. 重庆出版社, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.