Learned, Edmund P. (Edmund Philip), 1900-1991, author
Andover Press, 1957
Buku Teks
by the editors of Fortune
Doubleday, 1956
Buku Teks
Schiffrin, Deborah, author
Blackwell , 2000
Buku Teks
edited Philip Bean, Sewart MacPherson
Routledge and Kegan Paul, 1983
Buku Teks
Tame, Jeremy R. H., author
Springer Singapore, 2019
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