Gaya APA
O'Sulivan, J, L, M. (1999).
A Twentieth-Century American Reader Volume1.1900-1945 .
Washington:
United States Information Agency.
Gaya MLA
O'Sulivan, Jack, Lane,, Maurice.
"A Twentieth-Century American Reader Volume1.1900-1945".
Washington:
United States Information Agency,
1999.
Text.