Harrison, R. P. (1981). The cartoon: Communication to the quick. Sage.
Lua i Stíl Chicago (17ú heag.)Harrison, Randall P. The Cartoon: Communication to the Quick. Beverly Hills: Sage, 1981.
Lua MLA (9ú heag.)Harrison, Randall P. The Cartoon: Communication to the Quick. Sage, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.