McGraw-Hill dictionary of astronomy
New York: McGraw-Hill, 2003,
 Buku Teks
McGraw-Hill dictionary of astronomy
Sybil P. Parker, editor in chief
McGraw-Hill, 1997
 Buku Referensi
McGraw-Hill dictionary of astronomy
editors-in-chief, Sybil P. Parker, Jay M. Pasachoff
McGraw-Hill, 1993
 Buku Referensi
Statt, David A.
The concise dictionary of psychology
Routledge, 1998
 Buku Referensi
The Concise Oxford dictionary of quotations
edited by Angela Partington
Oxford University Press, 1993
 Buku Referensi