Gaya APA
Gray, Tim. (1991).
Freedom / Tim Gray .
:
London : Macmillan.
Gaya Chicago
Gray, Tim.
Freedom / Tim Gray.
:
London : Macmillan,
1991.
Buku.
Gaya MLA
Gray, Tim.
Freedom / Tim Gray.
:
London : Macmillan,
1991.
Buku.
Gaya Turabian
Gray, Tim.
Freedom / Tim Gray.
:
London : Macmillan,
1991.
Buku.