Kreft, I., & Leeuw, J. d. (2011). Introducing multilevel modeling (1. publ. 1998, repr.). Sage.
Chicago Style (17th ed.) CitationKreft, Ita, and Jan de Leeuw. Introducing Multilevel Modeling. 1. publ. 1998, repr. London [u.a.]: Sage, 2011.
MLA (9th ed.) CitationKreft, Ita, and Jan de Leeuw. Introducing Multilevel Modeling. 1. publ. 1998, repr. Sage, 2011.
Warning: These citations may not always be 100% accurate.