Gaya APA
Samuelson, Paul Anthony. (1985).
Economics (text).
Mexico:
McGraw Hill Kogakusha.
Gaya Chicago
Samuelson, Paul Anthony.
Economics.
text
Mexico:
McGraw Hill Kogakusha,
1985.
.
Gaya MLA
Samuelson, Paul Anthony.
Economics.
text
Mexico:
McGraw Hill Kogakusha,
1985.
.
Gaya Turabian
Samuelson, Paul Anthony.
Economics.
text
Mexico:
McGraw Hill Kogakusha,
1985.
.