APA
Bryk A. S., Raudenbush S. W., . (1992). Hierarchical linear models: Applications and data analysis m. Newbury Park: Sage.
Chicago
Bryk Anthony S, Raudenbush Stephen W, . 1992. Hierarchical linear models: Applications and data analysis m. Newbury Park: Sage.
Harvard
Bryk A. S., Raudenbush S. W., . (1992). Hierarchical linear models: Applications and data analysis m. Newbury Park: Sage.
MLA
Bryk Anthony S, Raudenbush Stephen W, . Hierarchical linear models: Applications and data analysis m. Newbury Park: Sage. 1992.