Yablonsky, L. (1968). The hippie trip. Pegasus.
Lua i Stíl Chicago (17ú heag.)Yablonsky, Lewis. The Hippie Trip. New York: Pegasus, 1968.
Lua MLA (8ú heag.)Yablonsky, Lewis. The Hippie Trip. Pegasus, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.