Gaya APA
The Grolier Science Encyclopedia 7. (2001).
London:
Grolier International.
Gaya Chicago
The Grolier Science Encyclopedia 7.
.
London:
Grolier International,
2001.
Printed Book.
Gaya MLA
The Grolier Science Encyclopedia 7.
.
London:
Grolier International,
2001.
Printed Book.
Gaya Turabian
The Grolier Science Encyclopedia 7.
London:
Grolier International,
2001.
Printed Book.