APA (7. basım) Alıntı

Frey, J. H. (1989). Survey research by telephone (2nd ed.). Sage.

Chicago Style (17. basım) Atıf

Frey, James H. Survey Research by Telephone. 2nd ed. Newbury Park, Calif: Sage, 1989.

MLA (9th ed.) Atıf

Frey, James H. Survey Research by Telephone. 2nd ed. Sage, 1989.