Gaya APA
Samuelson, Paul A, Nordhaus, William D.. (2010).
Economics (19e).
Boston:
McGraw-Hill.
Gaya Chicago
Samuelson, Paul A, Nordhaus, William D..
Economics.
19e
Boston:
McGraw-Hill,
2010.
Buku.
Gaya MLA
Samuelson, Paul A, Nordhaus, William D..
Economics.
19e
Boston:
McGraw-Hill,
2010.
Buku.
Gaya Turabian
Samuelson, Paul A, Nordhaus, William D..
Economics.
19e
Boston:
McGraw-Hill,
2010.
Buku.