Gaya APA
Nault, William H. (1981).
The World Book Encyclopedia: Volume 15 P .
Belfast:
World Book-Childcraft International.
Gaya Chicago
Nault, William H.
The World Book Encyclopedia: Volume 15 P.
Belfast:
World Book-Childcraft International,
1981.
Reference.
Gaya MLA
Nault, William H.
The World Book Encyclopedia: Volume 15 P.
Belfast:
World Book-Childcraft International,
1981.
Reference.
Gaya Turabian
Nault, William H.
The World Book Encyclopedia: Volume 15 P.
Belfast:
World Book-Childcraft International,
1981.
Reference.