Assuming you interested with Covariance-based SEM i.e. on AMOS, you might want to refer to the following 2 books:
1) General SEM:
Hair, J. F., Black, W. C., & Babin, B. J. (2010). Multivariate Data Analysis – A Global Perspective, 7th Edition. Pearson Education.
2) Covariance-based SEM:
Structural Equation Modeling with AMOS - Basic Concepts, Applications, and Programming, second edition, by Barbara M. Byrne (2010) - pls check any latest version published.