Gaya APA
Cochran, William G.. (1977).
Sampling techniques (text).
New York:
John Wiley & Sons.
Gaya Chicago
Cochran, William G..
Sampling techniques.
text
New York:
John Wiley & Sons,
1977.
Tesis.
Gaya MLA
Cochran, William G..
Sampling techniques.
text
New York:
John Wiley & Sons,
1977.
Tesis.
Gaya Turabian
Cochran, William G..
Sampling techniques.
text
New York:
John Wiley & Sons,
1977.
Tesis.