Gaya APA
Lavrakas, Paul J.. (1987).
Telephone survey methods: sampling selection, and supervision (Vol. 7).
Newbury Park, Cal.:
Sage Pub..
Gaya Chicago
Lavrakas, Paul J..
Telephone survey methods: sampling selection, and supervision.
Vol. 7
Newbury Park, Cal.:
Sage Pub.,
1987.
Text.
Gaya MLA
Lavrakas, Paul J..
Telephone survey methods: sampling selection, and supervision.
Vol. 7
Newbury Park, Cal.:
Sage Pub.,
1987.
Text.
Gaya Turabian
Lavrakas, Paul J..
Telephone survey methods: sampling selection, and supervision.
Vol. 7
Newbury Park, Cal.:
Sage Pub.,
1987.
Print.