BLACK J STEWART. (1995). INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. PRENTICE -HALL INTERNATIONAL; INC.
Chicagoスタイル(17版)引用形式BLACK J STEWART. INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. NEW JERSAY U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1995.
MLA(9版)引用形式BLACK J STEWART. INTERNATIONAL BUSINESS ENVIRONMENT: TEXT AND CASES. PRENTICE -HALL INTERNATIONAL; INC, 1995.
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