Gaya APA
Readings in current economics. (1961).
Illinois:
Richard D. Irwin.
Gaya Chicago
Readings in current economics.
text.
Illinois:
Richard D. Irwin,
1961.
Tesis.
Gaya MLA
Readings in current economics.
text.
Illinois:
Richard D. Irwin,
1961.
Tesis.
Gaya Turabian
Readings in current economics.
Illinois:
Richard D. Irwin,
1961.
Tesis.