Gaya APA
Bala, Robert. (2018).
Creative Teaching .
Jakarta:
Grasindo.
Gaya Chicago
Bala, Robert.
Creative Teaching.
Jakarta:
Grasindo,
2018.
Text.
Gaya MLA
Bala, Robert.
Creative Teaching.
Jakarta:
Grasindo,
2018.
Text.
Gaya Turabian
Bala, Robert.
Creative Teaching.
Jakarta:
Grasindo,
2018.
Print.