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.
Čikaški stil citiranja (17. izdanje)夏皮罗 i 薛金强. 快乐减压: Relaxation & Stress Reduction Workbook for Kids. 陕西师范大学出版社, 2011.
MLA način citiranja (8. izdanje)夏皮罗 i 薛金强. 快乐减压: Relaxation & Stress Reduction Workbook for Kids. 陕西师范大学出版社, 2011.
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