Gaya APA
Beck, R. (1987).
MICRO ECONOMIC ANALYSIS OF ISSUES IN BUSINESS, GOVERNMENT AND SOCIETY (-).
USA:
Mc Graw-Hill.
Gaya MLA
Beck, Roger.
"MICRO ECONOMIC ANALYSIS OF ISSUES IN BUSINESS, GOVERNMENT AND SOCIETY".
-
USA:
Mc Graw-Hill,
1987.
Buku Inti.