Gaya APA
Grolier Encyclopedia of Knowledge, Volume 20. (1995).
Danbury:
Grolier.
Gaya Chicago
Grolier Encyclopedia of Knowledge, Volume 20.
Ed. 1, Cet. 1.
Danbury:
Grolier,
1995.
Referensi.
Gaya MLA
Grolier Encyclopedia of Knowledge, Volume 20.
Ed. 1, Cet. 1.
Danbury:
Grolier,
1995.
Referensi.
Gaya Turabian
Grolier Encyclopedia of Knowledge, Volume 20.
Danbury:
Grolier,
1995.
Referensi.