Gaya APA
Cognition. (1994).
Philadelphia:
Harcourt Brace Publishers.
Gaya Chicago
Cognition.
3rd.
Philadelphia:
Harcourt Brace Publishers,
1994.
Buku.
Gaya MLA
Cognition.
3rd.
Philadelphia:
Harcourt Brace Publishers,
1994.
Buku.
Gaya Turabian
Cognition.
Philadelphia:
Harcourt Brace Publishers,
1994.
Buku.