Barron, Randall F.
McGraw-Hill, 1966
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Fine, Benjamin
Barron's Educational Series, 1966
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Mays, John Barrons
Longman, 1970
Buku Teks
Criscito, Pat
Barron's Educational Series, Inc., 1999
Buku Referensi
by Luzviminda Casapao [and others]
Barron's Educational Series, 1983
Buku Teks