Gaya APA
Twisk, Jos W.R.. (2010).
Applied multilevel analysis .
New York:
.
Gaya Chicago
Twisk, Jos W.R..
Applied multilevel analysis.
New York:
,
2010.
Text.
Gaya MLA
Twisk, Jos W.R..
Applied multilevel analysis.
New York:
,
2010.
Text.
Gaya Turabian
Twisk, Jos W.R..
Applied multilevel analysis.
New York:
,
2010.
Print.