Cita APA (7th ed.)
Razeghi, A. (2008). The riddle: Where ideas come from and how to have better ones. Jossey-Bass.
Cita Chicago (17th ed.)
Razeghi, Andrew. The Riddle: Where Ideas Come from and How to Have Better Ones. San Francisco: Jossey-Bass, 2008.
Cita MLA (9th ed.)
Razeghi, Andrew. The Riddle: Where Ideas Come from and How to Have Better Ones. Jossey-Bass, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.