Titard, Pierre L., author
Dryden Press, 1987
Buku Teks
Bierman, Harold, author
Macmillan, 1959
Buku Teks
DeCoster, Don T., author
Melville Publishing Company, 1974
Buku Teks
Brewer, Peter C., author
McGraw-Hill Education, 2016
Buku Teks
Garrison, Ray h.
2004
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