Cita APA (7th ed.)

Jagerson, J., & Hansen, S. W. (2011). All about investing in gold: The easy way to get started. McGraw-Hill.

Cita Chicago (17th ed.)

Jagerson, John, i S. Wade Hansen. All About Investing in Gold: The Easy Way to Get Started. New York: McGraw-Hill, 2011.

Cita MLA (9th ed.)

Jagerson, John, i S. Wade Hansen. All About Investing in Gold: The Easy Way to Get Started. McGraw-Hill, 2011.