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1.
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Flushing, N.Y. : Graceway Pub. Co., c1987.
English | B 70 MIG.E |
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2.
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Boston, Mass. : Irwin/McGraw-Hill, c1998.
Fourth edition.
English | B 70 PIN.E |
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3.
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Flushing, NY : Graceway Pub., c1990.
English | A 9 ELL.M |
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4.
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Frankfurt am Main : P. Lang, c1991.
German | G 58 PAU.P |
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