宁宇航，韩光著/绘. (2020). 手绘心天地：钢笔画手绘技法从局部到整体. 人民邮电出版社.
Lua i Stíl Chicago (17ú heag.)宁宇航，韩光著/绘. 手绘心天地：钢笔画手绘技法从局部到整体. 人民邮电出版社, 2020.
Lua MLA (8ú heag.)宁宇航，韩光著/绘. 手绘心天地：钢笔画手绘技法从局部到整体. 人民邮电出版社, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.