Gaya APA
Heilbroner, Robert L.. (1972).
A programmed guide to the economic problem / by Robert L. Heilbroner, John Hanneford .
:
New York : Prentice-Hall.
Gaya Chicago
Heilbroner, Robert L..
A programmed guide to the economic problem / by Robert L. Heilbroner, John Hanneford.
:
New York : Prentice-Hall,
1972.
Buku.
Gaya MLA
Heilbroner, Robert L..
A programmed guide to the economic problem / by Robert L. Heilbroner, John Hanneford.
:
New York : Prentice-Hall,
1972.
Buku.
Gaya Turabian
Heilbroner, Robert L..
A programmed guide to the economic problem / by Robert L. Heilbroner, John Hanneford.
:
New York : Prentice-Hall,
1972.
Buku.