APA Style
SAMUELSON, Paul A.. (1974).
Economics. 9th Ed. .
New York:
MacGraw-Hill.
Chicago Style
SAMUELSON, Paul A..
Economics. 9th Ed..
New York:
MacGraw-Hill,
1974.
Hard Copy.
MLA Style
SAMUELSON, Paul A..
Economics. 9th Ed..
New York:
MacGraw-Hill,
1974.
Hard Copy.
Turabian Style
SAMUELSON, Paul A..
Economics. 9th Ed..
New York:
MacGraw-Hill,
1974.
Hard Copy.