Gaya APA
Scheaffer, Richard. (1990).
Elementary Survey sampling .
Boston:
PWS-KENT Pub. Co..
Gaya Chicago
Scheaffer, Richard.
Elementary Survey sampling.
Boston:
PWS-KENT Pub. Co.,
1990.
MKDU.
Gaya MLA
Scheaffer, Richard.
Elementary Survey sampling.
Boston:
PWS-KENT Pub. Co.,
1990.
MKDU.
Gaya Turabian
Scheaffer, Richard.
Elementary Survey sampling.
Boston:
PWS-KENT Pub. Co.,
1990.
MKDU.