Cita APA (7a ed.)

魏桂东. (2009). 节约的都是利润: What you have saved is your profit. 石油工业出版社.

Cita Chicago Style (17a ed.)

魏桂东. 节约的都是利润: What You Have Saved Is Your Profit. 石油工业出版社, 2009.

Cita MLA (8a ed.)

魏桂东. 节约的都是利润: What You Have Saved Is Your Profit. 石油工业出版社, 2009.