michael, V. (2001). Business policy and environment. S. Chand.
Chicagoスタイル(17版)引用形式michael, V.P. Business Policy and Environment. [s.l]: S. Chand, 2001.
MLA(9版)引用形式michael, V.P. Business Policy and Environment. S. Chand, 2001.
警告: この引用は必ずしも正確ではありません.