APA Style
Samuelson, Paul A., William D. Nordhaus. (2000).
Economics (18th Edition).
Islamabad:
NBF.
Chicago Style
Samuelson, Paul A., William D. Nordhaus.
Economics.
18th Edition
Islamabad:
NBF,
2000.
Book.
MLA Style
Samuelson, Paul A., William D. Nordhaus.
Economics.
18th Edition
Islamabad:
NBF,
2000.
Book.
Turabian Style
Samuelson, Paul A., William D. Nordhaus.
Economics.
18th Edition
Islamabad:
NBF,
2000.
Book.