Gaya APA
Dennison, P, E., Dennison, G, E.
(2003).
Brain Gym: Senam Otak
.
:
Grasindo.
Gaya MLA
Dennison, Paul, E.., Dennison, Gail, E,.
"Brain Gym: Senam Otak".
:
Grasindo,
2003.
Text.