Hughes, L., & Walker, M. (1988). I wonder as I wander: An autobiographical journey / Langston Hughes. Foreword by Margaret Walker (2. Auflage.). Thunder's Mouth.
Chicago-viite (17. p.)Hughes, Langston, ja Margaret Walker. I Wonder as I Wander: An Autobiographical Journey / Langston Hughes. Foreword by Margaret Walker. 2. Auflage. New York: Thunder's Mouth, 1988.
MLA-viite (8. p.)Hughes, Langston, ja Margaret Walker. I Wonder as I Wander: An Autobiographical Journey / Langston Hughes. Foreword by Margaret Walker. 2. Auflage. Thunder's Mouth, 1988.
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