Gaya APA
Cochran, William G.. (1962).
Sampling techniques .
:
John Wiley And Sons.
Gaya Chicago
Cochran, William G..
Sampling techniques.
:
John Wiley And Sons,
1962.
Text.
Gaya MLA
Cochran, William G..
Sampling techniques.
:
John Wiley And Sons,
1962.
Text.
Gaya Turabian
Cochran, William G..
Sampling techniques.
:
John Wiley And Sons,
1962.
Print.