Gaya APA
The Grolier Science Encyclopedia 9. (2001).
London:
Grolier International.
Gaya Chicago
The Grolier Science Encyclopedia 9.
.
London:
Grolier International,
2001.
Printed Book.
Gaya MLA
The Grolier Science Encyclopedia 9.
.
London:
Grolier International,
2001.
Printed Book.
Gaya Turabian
The Grolier Science Encyclopedia 9.
London:
Grolier International,
2001.
Printed Book.