Weller, S. C., & Romney, A. K. (1994). Systematic data collection (5. print.). Sage.
Chicago Style (17th ed.) CitationWeller, Susan C., and Antone Kimball Romney. Systematic Data Collection. 5. print. Newbury Park, Calif. [u.a.]: Sage, 1994.
MLA (9th ed.) CitationWeller, Susan C., and Antone Kimball Romney. Systematic Data Collection. 5. print. Sage, 1994.
Warning: These citations may not always be 100% accurate.