Gaya APA
Gredler, M, E, B. (1994).
Belajar dan membelajarkan+learning and instruction theory intopractice .
Jakarta:
PT Raja Grafindo Persada.
Gaya MLA
Gredler, Margaret, E, Bell.
"Belajar dan membelajarkan+learning and instruction theory intopractice".
Jakarta:
PT Raja Grafindo Persada,
1994.
Text.