Lua APA (7ú heag.)

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.

Lua i Stíl Chicago (17ú heag.)

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.

Lua MLA (8ú heag.)

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.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.