APA Style
Encyclopedia Americana 20. (1990).
New York:
Americana Corporation.
Chicago Style
Encyclopedia Americana 20.
Volume 20.
New York:
Americana Corporation,
1990.
Perpustakaan KALBIS.
IEEE Style
*IEEE style untuk Skripsi
Encyclopedia Americana 20.
Volume 20.
Volume 20.
New York:
Americana Corporation.
*IEEE style untuk Buku/Jurnal
Encyclopedia Americana 20.
Volume 20.
Volume 20.
New York:
Americana Corporation,
1990.
MLA Style
Encyclopedia Americana 20.
Volume 20.
New York:
Americana Corporation,
1990.
Perpustakaan KALBIS.
Turabian Style
Encyclopedia Americana 20.
New York:
Americana Corporation,
1990.
Perpustakaan KALBIS.