Gaya APA
Samuelson, Paul A.. (1955).
Readings in economics (text).
New York:
Mc Graw Hill.
Gaya Chicago
Samuelson, Paul A..
Readings in economics.
text
New York:
Mc Graw Hill,
1955.
.
Gaya MLA
Samuelson, Paul A..
Readings in economics.
text
New York:
Mc Graw Hill,
1955.
.
Gaya Turabian
Samuelson, Paul A..
Readings in economics.
text
New York:
Mc Graw Hill,
1955.
.