Gaya APA

HANSEN,MORRIS H. (). SAMPLE SURVEY METHODS AND THEORY . New York: John Wiley.

Gaya Chicago

HANSEN,MORRIS H. SAMPLE SURVEY METHODS AND THEORY. New York: John Wiley, . Book.

Gaya MLA

HANSEN,MORRIS H. SAMPLE SURVEY METHODS AND THEORY. New York: John Wiley, . Book.

Gaya Turabian

HANSEN,MORRIS H. SAMPLE SURVEY METHODS AND THEORY. New York: John Wiley, . Book.