APA Style
samuelson, paul a.. (1989).
MACROECONOMICS .
:
McGraw Hill.
Chicago Style
samuelson, paul a..
MACROECONOMICS .
:
McGraw Hill,
1989.
Text.
MLA Style
samuelson, paul a..
MACROECONOMICS .
:
McGraw Hill,
1989.
Text.
Turabian Style
samuelson, paul a..
MACROECONOMICS .
:
McGraw Hill,
1989.
Print.