APA Style
Encyclopedia americana 21. (1976).
New York:
Americana Corporation.
Chicago Style
Encyclopedia americana 21.
Volume 21.
New York:
Americana Corporation,
1976.
Perpustakaan KALBIS.
IEEE Style
*IEEE style untuk Skripsi
Encyclopedia americana 21.
Volume 21.
Volume 21.
New York:
Americana Corporation.
*IEEE style untuk Buku/Jurnal
Encyclopedia americana 21.
Volume 21.
Volume 21.
New York:
Americana Corporation,
1976.
MLA Style
Encyclopedia americana 21.
Volume 21.
New York:
Americana Corporation,
1976.
Perpustakaan KALBIS.
Turabian Style
Encyclopedia americana 21.
New York:
Americana Corporation,
1976.
Perpustakaan KALBIS.