Cita APA (7a ed.)
Mager, R. F. (1961). Preparing instructional objetives.
Cita estilo Chicago (17a ed.)
Mager, Robert F. Preparing Instructional Objetives. 1961.
Cita MLA (9a ed.)
Mager, Robert F. Preparing Instructional Objetives. 1961.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.