APA
(2004). A pocket style manual. 75 Airlington Street, Boston, U.S.A: Bedford/St.Martins.
Chicago
2004. A pocket style manual. 75 Airlington Street, Boston, U.S.A: Bedford/St.Martins.
Harvard
(2004). A pocket style manual. 75 Airlington Street, Boston, U.S.A: Bedford/St.Martins.
MLA
A pocket style manual. 75 Airlington Street, Boston, U.S.A: Bedford/St.Martins. 2004.