Gaya APA
Bingham, Robert C.. (1966).
Economic Concepts: A Programmed Approach (Ed. 1).
New York:
Mc Graw Hill.
Gaya Chicago
Bingham, Robert C..
Economic Concepts: A Programmed Approach.
Ed. 1
New York:
Mc Graw Hill,
1966.
Text.
Gaya MLA
Bingham, Robert C..
Economic Concepts: A Programmed Approach.
Ed. 1
New York:
Mc Graw Hill,
1966.
Text.
Gaya Turabian
Bingham, Robert C..
Economic Concepts: A Programmed Approach.
Ed. 1
New York:
Mc Graw Hill,
1966.
Print.