Christensen, C. R., & Learned, E. P. (1973). Business policy: Text and cases (3d ed.). National Book Store.
Chicagoスタイル(17版)引用形式Christensen, Carl Roland, , Edmund Philip Learned. Business Policy: Text and Cases. 3d ed. [Manila]: National Book Store, 1973.
MLA(9版)引用形式Christensen, Carl Roland, , Edmund Philip Learned. Business Policy: Text and Cases. 3d ed. National Book Store, 1973.
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