Cita APA (7th ed.)

eMuthen, B. (2014). IRT studies of many groups: The alignment method. Frontiers Media S.A.

Cita Chicago (17th ed.)

eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.

Cita MLA (9th ed.)

eMuthen, Bengt. IRT Studies of Many Groups: The Alignment Method. Frontiers Media S.A, 2014.