Gaya APA
Bronfenbrenner,Martin, . et al
(1987).
Microeconomics
(
ed.2)
.
America:
Houghton Mifflin Company Boston.
Gaya MLA
Bronfenbrenner,Martin, . et al.
"Microeconomics".
ed.2
America:
Houghton Mifflin Company Boston,
1987.
Text.