(英)理查德·波克斯等著. (2018). 21天精通素描. 百花洲文艺出版社.
Chicago Style (17th ed.) Citation(英)理查德·波克斯等著. 21天精通素描. 百花洲文艺出版社, 2018.
MLA (8th ed.) Citation(英)理查德·波克斯等著. 21天精通素描. 百花洲文艺出版社, 2018.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation