Gaya APA
Isaac, S. (1982).
Handbook In Research And Evalution : For Educaation And The Behavioral Sciences (edisi 2).
San Diego:
Edits Publishers.
Gaya MLA
Isaac, Stephen.
"Handbook In Research And Evalution : For Educaation And The Behavioral Sciences".
edisi 2
San Diego:
Edits Publishers,
1982.
Text.