Gaya APA
COCHRAN,W G. ().
SAMPLING TECHNIQUES .
New York:
John Wiley&Sons.
Gaya Chicago
COCHRAN,W G.
SAMPLING TECHNIQUES.
New York:
John Wiley&Sons,
.
Book.
Gaya MLA
COCHRAN,W G.
SAMPLING TECHNIQUES.
New York:
John Wiley&Sons,
.
Book.
Gaya Turabian
COCHRAN,W G.
SAMPLING TECHNIQUES.
New York:
John Wiley&Sons,
.
Book.