Gaya APA
Hartati, S., Gredler, M, E. (2011).
Learning And Instruction; Teori Dan Aplikasi (keenam).
Jakarta:
Kencana Preanada Media Group.
Gaya MLA
Hartati, Sri., Gredler, Margaret, E..
"Learning And Instruction; Teori Dan Aplikasi".
keenam
Jakarta:
Kencana Preanada Media Group,
2011.
Text.