Dyfyniad APA

Bernstein,William, J. (2010). The Four Pillars of Investing: Lessons for Building a Winning Portfolio. McGrawHill.

Dyfyniad Arddull Chicago

Bernstein,William, J. The Four Pillars of Investing: Lessons for Building a Winning Portfolio. New York: McGrawHill, 2010.

Dyfyniad MLA

Bernstein,William, J. The Four Pillars of Investing: Lessons for Building a Winning Portfolio. McGrawHill, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.