APA引文

(2017). IE Business Cases. The Oil Sector: The Importance of Inventory Ratios. Version A. Instituto de Empresa SL.

芝加哥风格引文

IE Business Cases. The Oil Sector: The Importance of Inventory Ratios. Version A. [S.l.]: Instituto de Empresa SL, 2017.

MLA引文

IE Business Cases. The Oil Sector: The Importance of Inventory Ratios. Version A. Instituto de Empresa SL, 2017.

警告：这些引文格式不一定是100％准确.