APA Style
De Klerk, Len F.W.. (1983).
Learning System Design .
Jakarta:
Pusat Penelitian Unika Atma Jaya.
Chicago Style
De Klerk, Len F.W..
Learning System Design.
Jakarta:
Pusat Penelitian Unika Atma Jaya,
1983.
Text.
MLA Style
De Klerk, Len F.W..
Learning System Design.
Jakarta:
Pusat Penelitian Unika Atma Jaya,
1983.
Text.
Turabian Style
De Klerk, Len F.W..
Learning System Design.
Jakarta:
Pusat Penelitian Unika Atma Jaya,
1983.
Print.