Gaya APA
The New Book of Knowledge (D Volume 4). (1982).
United States of America:
Grolier Educational.
Gaya Chicago
The New Book of Knowledge (D Volume 4).
D vol.4, 1082.
United States of America:
Grolier Educational,
1982.
Text.
Gaya MLA
The New Book of Knowledge (D Volume 4).
D vol.4, 1082.
United States of America:
Grolier Educational,
1982.
Text.
Gaya Turabian
The New Book of Knowledge (D Volume 4).
United States of America:
Grolier Educational,
1982.
Print.