Gaya APA
Encyclopedia of Knowledge: Volume 2. (1991).
Danbury, Connecticut:
Grolier Incorporated.
Gaya Chicago
Encyclopedia of Knowledge: Volume 2.
2.
Danbury, Connecticut:
Grolier Incorporated,
1991.
Buku.
Gaya MLA
Encyclopedia of Knowledge: Volume 2.
2.
Danbury, Connecticut:
Grolier Incorporated,
1991.
Buku.
Gaya Turabian
Encyclopedia of Knowledge: Volume 2.
Danbury, Connecticut:
Grolier Incorporated,
1991.
Buku.