Gaya APA
McConnell, Campbell R. (2015).
Economics (Principles, Problems And Policies) (20th ed.).
Singapore:
McGraw-Hill.
Gaya Chicago
McConnell, Campbell R.
Economics (Principles, Problems And Policies).
20th ed.
Singapore:
McGraw-Hill,
2015.
Text.
Gaya MLA
McConnell, Campbell R.
Economics (Principles, Problems And Policies).
20th ed.
Singapore:
McGraw-Hill,
2015.
Text.
Gaya Turabian
McConnell, Campbell R.
Economics (Principles, Problems And Policies).
20th ed.
Singapore:
McGraw-Hill,
2015.
Print.