Survey research methods /
Earl Babbie.
APA Citation
Babbie, E. R. (1990). Survey research methods. 2nd ed. Belmont, Calif.: Wadsworth Pub. Co..
MLA Citation
Babbie, Earl R. Survey Research Methods. 2nd ed. Belmont, Calif.: Wadsworth Pub. Co., 1990.
Warning: These citations may not always be complete (especially for serials).