APA (7th ed.) Zitazioa
Duemling, R. W. (2012). Sketches from life. Rowman & Littlefield Publishers.
Chicago Style (17th ed.) Zitazioa
Duemling, Robert W. Sketches from Life. Landham [Md.]: Rowman & Littlefield Publishers, 2012.
MLA (9th ed.) Zitazioa
Duemling, Robert W. Sketches from Life. Rowman & Littlefield Publishers, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.