APA Style
Samuelson, Paul A., Nordhaus, William D.. (2010).
Economics (19th ed.).
Singapura:
Mc Graw Hill.
Chicago Style
Samuelson, Paul A., Nordhaus, William D..
Economics.
19th ed.
Singapura:
Mc Graw Hill,
2010.
Buku Teks.
MLA Style
Samuelson, Paul A., Nordhaus, William D..
Economics.
19th ed.
Singapura:
Mc Graw Hill,
2010.
Buku Teks.
Turabian Style
Samuelson, Paul A., Nordhaus, William D..
Economics.
19th ed.
Singapura:
Mc Graw Hill,
2010.
Buku Teks.