Cita APA (7th ed.)
Gardner, D. (2009). The Motley Fool million dollar portfolio: How to build and grow a panic-proof investment portfolio. Harper Business.
Cita Chicago (17th ed.)
Gardner, David. The Motley Fool Million Dollar Portfolio: How to Build and Grow a Panic-proof Investment Portfolio. New York, NY: Harper Business, 2009.
Cita MLA (9th ed.)
Gardner, David. The Motley Fool Million Dollar Portfolio: How to Build and Grow a Panic-proof Investment Portfolio. Harper Business, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.