Orton, F., Curtis, P., & Johns, J. (1996). Jasper Johns: The sculptures / [Fred Orton]. Centre for the Study of Sculpture.
Lua i Stíl Chicago (17ú heag.)Orton, Fred, Penelope Curtis, agus Jasper Johns. Jasper Johns: The Sculptures / [Fred Orton]. Leeds: Centre for the Study of Sculpture, 1996.
Lua MLA (8ú heag.)Orton, Fred, et al. Jasper Johns: The Sculptures / [Fred Orton]. Centre for the Study of Sculpture, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.