Gaya APA
Statistics for Economics. (1968).
New York:
Hutchinson & Co.
Gaya Chicago
Statistics for Economics.
Ed. 3.
New York:
Hutchinson & Co,
1968.
.
Gaya MLA
Statistics for Economics.
Ed. 3.
New York:
Hutchinson & Co,
1968.
.
Gaya Turabian
Statistics for Economics.
New York:
Hutchinson & Co,
1968.
.