程焰. (2019). 零基础绘画入门教程 质感彩铅: Painting lessons for the absolute beginner. 江苏凤凰美术出版社.
Chicago Style (17th ed.) Citation程焰. 零基础绘画入门教程 质感彩铅: Painting Lessons for the Absolute Beginner. 江苏凤凰美术出版社, 2019.
MLA (8th ed.) Citation程焰. 零基础绘画入门教程 质感彩铅: Painting Lessons for the Absolute Beginner. 江苏凤凰美术出版社, 2019.
Warning: These citations may not always be 100% accurate.