Gaya APA
Heilbroner, Robert L.. (1968).
The economic proble / by Robert L. Heilbroner .
:
Englewood Cliffs : Prentice-Halll.
Gaya Chicago
Heilbroner, Robert L..
The economic proble / by Robert L. Heilbroner.
:
Englewood Cliffs : Prentice-Halll,
1968.
Buku.
Gaya MLA
Heilbroner, Robert L..
The economic proble / by Robert L. Heilbroner.
:
Englewood Cliffs : Prentice-Halll,
1968.
Buku.
Gaya Turabian
Heilbroner, Robert L..
The economic proble / by Robert L. Heilbroner.
:
Englewood Cliffs : Prentice-Halll,
1968.
Buku.