Gaya APA
Kemp, J, E. (1977).
Instructional design a plan for unit and course development .
California:
California: David S. Lake; 1977.
Gaya MLA
Kemp, Jerold, E.
"Instructional design a plan for unit and course development".
California:
California: David S. Lake; 1977,
1977.
Text.