Gaya APA
Encyclopedia of economics. (1986).
:
Hill Book Company.
Gaya Chicago
Encyclopedia of economics.
.
:
Hill Book Company,
1986.
Buku Lama.
Gaya MLA
Encyclopedia of economics.
.
:
Hill Book Company,
1986.
Buku Lama.
Gaya Turabian
Encyclopedia of economics.
:
Hill Book Company,
1986.
Buku Lama.