eMuthen, B. (2014). IRT studies of many groups: The alignment method. Frontiers Media S.A.
Citazione stile Chigago Style (17a edizione)eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.
Citatione MLA (9a ed.)eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.