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 Style (17th ed.) Citation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.
Cita MLA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.
Atenció: Aquestes cites poden no estar 100% correctes.