Prost, Louise 1907-
The University of Iowa City, 1933
Buku Teks
Gross, Harver, author
University of Michigan Press, 1964
Buku Teks
Jerome, Judson, author
Writer`s Digest Books, 1980
Buku Teks
Attridge, Derek, author
Longman, 1982
Buku Teks
Jesus Romero-Trillo, editor
Springer, 2012
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