Gaya APA
Spencer, Milton H.. (1971).
Contemporary Economics .
New York:
Worth Publisher.
Gaya Chicago
Spencer, Milton H..
Contemporary Economics.
New York:
Worth Publisher,
1971.
Texts.
Gaya MLA
Spencer, Milton H..
Contemporary Economics.
New York:
Worth Publisher,
1971.
Texts.
Gaya Turabian
Spencer, Milton H..
Contemporary Economics.
New York:
Worth Publisher,
1971.
Texts.