APA

Dunn-Rankin P., Knezek G. A., Wallace S. & zhang S. (2004). Scaling methods. Mahwah, N.J: Lawrence Erlbaum Associates.

Chicago

Dunn-Rankin Peter, Knezek Gerald A, Wallace Susan and zhang Shugiang. 2004. Scaling methods. Mahwah, N.J: Lawrence Erlbaum Associates.

Harvard

Dunn-Rankin P., Knezek G. A., Wallace S. and zhang S. (2004). Scaling methods. Mahwah, N.J: Lawrence Erlbaum Associates.

MLA

Dunn-Rankin Peter, Knezek Gerald A, Wallace Susan and zhang Shugiang. Scaling methods. Mahwah, N.J: Lawrence Erlbaum Associates. 2004.