Cita APA (7th ed.)

Wang, J., Xie, H., & Fischer, J. H. (2012). Multilevel models: Applications using SAS. De Gruyter ; Higher Education Press.

Cita Chicago (17th ed.)

Wang, Jichuan, Haiyi Xie, i James H. Fischer. Multilevel Models: Applications Using SAS. Berlin : Boston: De Gruyter ; Higher Education Press, 2012.

Cita MLA (9th ed.)

Wang, Jichuan, et al. Multilevel Models: Applications Using SAS. De Gruyter ; Higher Education Press, 2012.