APA Style
Samuelson, Paul A.. (2009).
Economics .
Islamabad.:
Allama Iqbal opan university,.
Chicago Style
Samuelson, Paul A..
Economics.
Islamabad.:
Allama Iqbal opan university,,
2009.
Book.
MLA Style
Samuelson, Paul A..
Economics.
Islamabad.:
Allama Iqbal opan university,,
2009.
Book.
Turabian Style
Samuelson, Paul A..
Economics.
Islamabad.:
Allama Iqbal opan university,,
2009.
Book.