Gaya APA
The New Book of Knowledge. (1987).
United States of America:
Grolier Incorporated.
Gaya Chicago
The New Book of Knowledge.
.
United States of America:
Grolier Incorporated,
1987.
Text.
Gaya MLA
The New Book of Knowledge.
.
United States of America:
Grolier Incorporated,
1987.
Text.
Gaya Turabian
The New Book of Knowledge.
United States of America:
Grolier Incorporated,
1987.
Print.