APA Style
F, M, R. (1997).
Preparing Instructional Objectives. A critical tool in the development of effective instruction .
UnitetStates of Amerika:
Lilly Publisher.
MLA Style
F, Mager., Robert.
"Preparing Instructional Objectives. A critical tool in the development of effective instruction".
UnitetStates of Amerika:
Lilly Publisher,
1997.
Textbook.