APA Format
Hox, Joop P . (). Multilevel... : Sample sizes and power analysis in multilevel regression. ( Ket. Lihat halaman 233-256 ) ( Bab. 12 ). : New York: Routlede, 2010
MLA Format
Hox, Joop P . Multilevel... : Sample sizes and power analysis in multilevel regression. ( Ket. Lihat halaman 233-256 ) ( Bab. 12 ). : New York: Routlede, 2010,
Australian/Harvard Format
Hox, Joop P . . Multilevel... : Sample sizes and power analysis in multilevel regression. ( Ket. Lihat halaman 233-256 ) ( Bab. 12 ). New York: Routlede, 2010, 
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