eMuthen, B. (2014). IRT studies of many groups: The alignment method. Frontiers Media S.A.
Čikaški stil citiranja (17. izdanje)eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.
MLA način citiranja (9. izdanje)eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.
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