MacGowan, C. J. (2004). Twentieth-century American poetry. Blackwell Pub. ; Atlantic Publishers and distributors.
Chicago-referens (17:e uppl.)MacGowan, Christopher J. Twentieth-century American Poetry. Maldon, MA : New Delhi: Blackwell Pub. ; Atlantic Publishers and distributors, 2004.
MLA-referens (8:e uppl.)MacGowan, Christopher J. Twentieth-century American Poetry. Blackwell Pub. ; Atlantic Publishers and distributors, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.