Casey, W., Ball, R., & Jacobs, J. (2007). Grease: A new 50's rock 'n roll musical. E.H. Morris ; Distributed by H. Leonard Pub. Corp..
Lua i Stíl Chicago (17ú heag.)Casey, Warren, Ronnie Ball, agus Jim Jacobs. Grease: A New 50's Rock 'N Roll Musical. [U.S.] : Winona, MN: E.H. Morris ; Distributed by H. Leonard Pub. Corp., 2007.
Lua MLA (9ú heag.)Casey, Warren, et al. Grease: A New 50's Rock 'N Roll Musical. E.H. Morris ; Distributed by H. Leonard Pub. Corp., 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.