APA citiranje

Wang, W., & Jin, K. A generalized model with internal restrictions on item difficulty for polytomous items.

Trích dẫn kiểu Chicago

Wang, Wen-Chung., và Kuan-Yu Jin. A Generalized Model With Internal Restrictions On Item Difficulty for Polytomous Items.

MLA citiranje

Wang, Wen-Chung., và Kuan-Yu Jin. A Generalized Model With Internal Restrictions On Item Difficulty for Polytomous Items.