Hughes, L., & Walker, M. (1988). I wonder as I wander: An autobiographical journey / Langston Hughes. Foreword by Margaret Walker (2. Auflage.). Thunder's Mouth.
Lua i Stíl Chicago (17ú heag.)Hughes, Langston, agus Margaret Walker. I Wonder as I Wander: An Autobiographical Journey / Langston Hughes. Foreword by Margaret Walker. 2. Auflage. New York: Thunder's Mouth, 1988.
Lua MLA (8ú heag.)Hughes, Langston, agus Margaret Walker. I Wonder as I Wander: An Autobiographical Journey / Langston Hughes. Foreword by Margaret Walker. 2. Auflage. Thunder's Mouth, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.