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