Gaya APA
brain gym and me. (2008).
Jakarta:
PT gramedia widya sarana.
Gaya Chicago
brain gym and me.
.
Jakarta:
PT gramedia widya sarana,
2008.
Buku.
Gaya MLA
brain gym and me.
.
Jakarta:
PT gramedia widya sarana,
2008.
Buku.
Gaya Turabian
brain gym and me.
Jakarta:
PT gramedia widya sarana,
2008.
Buku.