Cita APA (7th ed.)

Weller, S. C., & Romney, A. K. (1990). Metric scaling: Correspondence analysis. Sage.

Cita Chicago (17th ed.)

Weller, Susan C., i A. Kimball Romney. Metric Scaling: Correspondence Analysis. Newbury Park, Calif: Sage, 1990.

Cita MLA (9th ed.)

Weller, Susan C., i A. Kimball Romney. Metric Scaling: Correspondence Analysis. Sage, 1990.