Gaya APA
Kohler,Heinz. (1968).
Scarcity Challenged: An introduction to Economics (-).
USA:
.
Gaya Chicago
Kohler,Heinz.
Scarcity Challenged: An introduction to Economics.
-
USA:
,
1968.
Texts.
Gaya MLA
Kohler,Heinz.
Scarcity Challenged: An introduction to Economics.
-
USA:
,
1968.
Texts.
Gaya Turabian
Kohler,Heinz.
Scarcity Challenged: An introduction to Economics.
-
USA:
,
1968.
Texts.