Irving, W. (1923). The sketch book. Velhagen & Klasing.
Lua i Stíl Chicago (17ú heag.)Irving, Washington. The Sketch Book. Bielefeld: Velhagen & Klasing, 1923.
Lua MLA (8ú heag.)Irving, Washington. The Sketch Book. Velhagen & Klasing, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.