Gaya APA
Heyne, Paul. (1997).
Economic way of thinking (Edisi Kedelepan).
New Jersey:
Prentice Hall.
Gaya Chicago
Heyne, Paul.
Economic way of thinking.
Edisi Kedelepan
New Jersey:
Prentice Hall,
1997.
Text.
Gaya MLA
Heyne, Paul.
Economic way of thinking.
Edisi Kedelepan
New Jersey:
Prentice Hall,
1997.
Text.
Gaya Turabian
Heyne, Paul.
Economic way of thinking.
Edisi Kedelepan
New Jersey:
Prentice Hall,
1997.
Print.