Gaya APA
Kartu 50 Brain Games. (2008).
Bandung:
Erlangga.
Gaya Chicago
Kartu 50 Brain Games.
.
Bandung:
Erlangga,
2008.
Flash Card.
Gaya MLA
Kartu 50 Brain Games.
.
Bandung:
Erlangga,
2008.
Flash Card.
Gaya Turabian
Kartu 50 Brain Games.
Bandung:
Erlangga,
2008.
Flash Card.