Gaya APA
Solmon, Lewis C.. (1980).
Economics (3rd ed.).
California:
Addison-Wesley.
Gaya Chicago
Solmon, Lewis C..
Economics.
3rd ed.
California:
Addison-Wesley,
1980.
Text.
Gaya MLA
Solmon, Lewis C..
Economics.
3rd ed.
California:
Addison-Wesley,
1980.
Text.
Gaya Turabian
Solmon, Lewis C..
Economics.
3rd ed.
California:
Addison-Wesley,
1980.
Print.