Citazione Stile APA (7a Edizione)

Weller, S. C., & Romney, A. K. (1988). Systematic data collection. Sage Publications.

Citazione stile Chigago Style (17a edizione)

Weller, Susan C., e A. Kimball Romney. Systematic Data Collection. Newbury Park, Calif: Sage Publications, 1988.

Citatione MLA (9a ed.)

Weller, Susan C., e A. Kimball Romney. Systematic Data Collection. Sage Publications, 1988.