APA (7th ed.) Citation

于清峰. (2010). 睡觉真舒服.

Chicago Style (17th ed.) Citation

于清峰. 睡觉真舒服. 北方妇女儿童出版社, 2010.

MLA (8th ed.) Citation

于清峰. 睡觉真舒服. 2010.

Warning: These citations may not always be 100% accurate.