Gaya APA
Grolier Encyclopedia of knowledge, volume 4. (1995).
Danbury:
Glorier Inc.
Gaya Chicago
Grolier Encyclopedia of knowledge, volume 4.
.
Danbury:
Glorier Inc,
1995.
Buku.
Gaya MLA
Grolier Encyclopedia of knowledge, volume 4.
.
Danbury:
Glorier Inc,
1995.
Buku.
Gaya Turabian
Grolier Encyclopedia of knowledge, volume 4.
Danbury:
Glorier Inc,
1995.
Buku.