程刚编著. (2014). 钱币史. 辽宁少年儿童出版社.
Lua i Stíl Chicago (17ú heag.)程刚编著. 钱币史. 辽宁少年儿童出版社, 2014.
Lua MLA (8ú heag.)程刚编著. 钱币史. 辽宁少年儿童出版社, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)