Sophia Rabe-Hesketh & Anders Skrondal 
Generalized Latent Variable Modeling [PDF ebook] 
Multilevel, Longitudinal, and Structural Equation Models

This book unifies and extends latent variable models, including multilevel or generalized linear mixed models, longitudinal or panel models, item response or factor models, latent class or finite mixture models, and structural equation models. Following a gentle introduction to latent variable modeling, the authors clearly explain and contrast a wi