茨威格 & 保罗. (2021). Letter from an unknown woman. 译林出版社.
Lua i Stíl Chicago (17ú heag.)茨威格 agus 保罗. Letter from an Unknown Woman. 译林出版社, 2021.
Lua MLA (8ú heag.)茨威格 agus 保罗. Letter from an Unknown Woman. 译林出版社, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.