Gaya APA
Roll, Eric. (1959).
A History Of Economic Thought. Third Ed (3).
New york:
Prentice Hall.
Gaya Chicago
Roll, Eric.
A History Of Economic Thought. Third Ed.
3
New york:
Prentice Hall,
1959.
Text.
Gaya MLA
Roll, Eric.
A History Of Economic Thought. Third Ed.
3
New york:
Prentice Hall,
1959.
Text.
Gaya Turabian
Roll, Eric.
A History Of Economic Thought. Third Ed.
3
New york:
Prentice Hall,
1959.
Print.