Gaya APA
Economic of the firm. ().
Malang:
Prentice Hall Intrns.
Gaya Chicago
Economic of the firm.
.
Malang:
Prentice Hall Intrns,
.
Text.
Gaya MLA
Economic of the firm.
.
Malang:
Prentice Hall Intrns,
.
Text.
Gaya Turabian
Economic of the firm.
Malang:
Prentice Hall Intrns,
.
Print.