APA Style
Gupta, D.P., Samuelson,P.A and Nordhaus,W.D. (1998).
Economics (Sixteenth Edition) .
Pakistan:
Allama Iqbal Open University Islamabad.
Chicago Style
Gupta, D.P., Samuelson,P.A and Nordhaus,W.D.
Economics (Sixteenth Edition).
Pakistan:
Allama Iqbal Open University Islamabad,
1998.
.
MLA Style
Gupta, D.P., Samuelson,P.A and Nordhaus,W.D.
Economics (Sixteenth Edition).
Pakistan:
Allama Iqbal Open University Islamabad,
1998.
.
Turabian Style
Gupta, D.P., Samuelson,P.A and Nordhaus,W.D.
Economics (Sixteenth Edition).
Pakistan:
Allama Iqbal Open University Islamabad,
1998.
.