夏皮罗 & 薛金强. (2011). 快乐减压: Relaxation & stress reduction workbook for kids. 陕西师范大学出版社.
Chicago (17e ed.) Bronvermelding夏皮罗 en 薛金强. 快乐减压: Relaxation & Stress Reduction Workbook for Kids. 陕西师范大学出版社, 2011.
MLA (8e ed.) Bronvermelding夏皮罗 en 薛金强. 快乐减压: Relaxation & Stress Reduction Workbook for Kids. 陕西师范大学出版社, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.