APA引文

 Froehlich, R. J. (2006).  Investment megatrends.  John Wiley & Sons, Inc.

Trích dẫn kiểu Chicago

 Froehlich, Robert J.  Investment Megatrends.  John Wiley & Sons, Inc, 2006.

MLA引文

 Froehlich, Robert J.  Investment Megatrends.  John Wiley & Sons, Inc, 2006.

警告:这些引文格式不一定是100%准确.