The course syllabus is available here.
Unpublished Math 712 notes by Professor David Kueker for the course are here.
Unpublished Math 713 notes by Professor David Kueker for the course are here. Note: The actual text begins on page 27.
Other possible texts
Chang and Keisler, Model theory
Marker, Model theory: an Introduction
Tent and Ziegler, A course in model theory