Gaya APA
Spiegel, Henry William. (1952).
The development of economic thought great economists in perspective Henry William Spiegel .
New York:
John Wiley & Sons.
Gaya Chicago
Spiegel, Henry William.
The development of economic thought great economists in perspective Henry William Spiegel.
New York:
John Wiley & Sons,
1952.
Text.
Gaya MLA
Spiegel, Henry William.
The development of economic thought great economists in perspective Henry William Spiegel.
New York:
John Wiley & Sons,
1952.
Text.
Gaya Turabian
Spiegel, Henry William.
The development of economic thought great economists in perspective Henry William Spiegel.
New York:
John Wiley & Sons,
1952.
Print.