Gaya APA
Economic growth : an american problem. (1964).
New Jersey:
Prentice Hall.
Gaya Chicago
Economic growth : an american problem.
text.
New Jersey:
Prentice Hall,
1964.
Tesis.
Gaya MLA
Economic growth : an american problem.
text.
New Jersey:
Prentice Hall,
1964.
Tesis.
Gaya Turabian
Economic growth : an american problem.
New Jersey:
Prentice Hall,
1964.
Tesis.