MLA

Andrich, and Ida Marais. A Course In Rasch Measurement Theory. Springer Singapore, 2019.

APA

Andrich, A., & Marais, I. (2019). A Course in Rasch Measurement Theory. Springer Singapore.

Chicago

Andrich, and Ida Marais. A Course In Rasch Measurement Theory. : Springer Singapore, 2019.