Sean. (1981). Three bulls meet the rubbermaster: Drawings by Sean. R. F. M..
Lua i Stíl Chicago (17ú heag.)Sean. Three Bulls Meet the Rubbermaster: Drawings by Sean. Glendora, Calif.: R. F. M., 1981.
Lua MLA (8ú heag.)Sean. Three Bulls Meet the Rubbermaster: Drawings by Sean. R. F. M., 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.