(美)休·洛夫廷原著. (2017). 杜立德医生. 学习出版社.
Lua i Stíl Chicago (17ú heag.)(美)休·洛夫廷原著. 杜立德医生. 学习出版社, 2017.
Lua MLA (8ú heag.)(美)休·洛夫廷原著. 杜立德医生. 学习出版社, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)