Salter, H. (1973). Humping hitchhiker: Harold Salter. Star Distributors.
Lua i Stíl Chicago (17ú heag.)Salter, Harold. Humping Hitchhiker: Harold Salter. New York: Star Distributors, 1973.
Lua MLA (8ú heag.)Salter, Harold. Humping Hitchhiker: Harold Salter. Star Distributors, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.