李家友主编. (2011). 素描头像：线性：line characteristic. 重庆出版社.
Chicago Style (17th ed.) Citation李家友主编. 素描头像：线性：line Characteristic. 重庆出版社, 2011.
MLA (8th ed.) Citation李家友主编. 素描头像：线性：line Characteristic. 重庆出版社, 2011.
Warning: These citations may not always be 100% accurate.