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.
Dyfyniad Arddull Chicago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.
Dyfyniad MLA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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.