APA引文

Duff, R. W. (2010). Retirement breakthrough: The safe, secure way to guaranteed income you can't outlive-- in any economy. Greenleaf Book Group Press.

Chicago Style (17th ed.) Citation

Duff, Richard W. Retirement Breakthrough: The Safe, Secure Way to Guaranteed Income You Can't Outlive-- in Any Economy. Austin, Texas: Greenleaf Book Group Press, 2010.

MLA引文

Duff, Richard W. Retirement Breakthrough: The Safe, Secure Way to Guaranteed Income You Can't Outlive-- in Any Economy. Greenleaf Book Group Press, 2010.

警告：這些引文格式不一定是100％准確.