Gaya APA

Heilbroner, Robert L.. (1999). The worldly philosophers : the lives, times, and ideas of the great economic thinkers (7th ed. rev). New York: Simon Schuster.

Gaya Chicago

Heilbroner, Robert L.. The worldly philosophers : the lives, times, and ideas of the great economic thinkers. 7th ed. rev New York: Simon Schuster, 1999. Text.

Gaya MLA

Heilbroner, Robert L.. The worldly philosophers : the lives, times, and ideas of the great economic thinkers. 7th ed. rev New York: Simon Schuster, 1999. Text.

Gaya Turabian

Heilbroner, Robert L.. The worldly philosophers : the lives, times, and ideas of the great economic thinkers. 7th ed. rev New York: Simon Schuster, 1999. Print.