Gaya APA
Secret seven : Secret seven adventure. (1991).
London:
Award Publications Limited.
Gaya Chicago
Secret seven : Secret seven adventure.
.
London:
Award Publications Limited,
1991.
FIKSI.
Gaya MLA
Secret seven : Secret seven adventure.
.
London:
Award Publications Limited,
1991.
FIKSI.
Gaya Turabian
Secret seven : Secret seven adventure.
London:
Award Publications Limited,
1991.
FIKSI.