Não informado. (2007). Creative Business. Staysail Enterprises.
Chicago (17e ed.) BronvermeldingNão informado. Creative Business. Boston, Mass: Staysail Enterprises, 2007.
MLA (8e ed.) BronvermeldingNão informado. Creative Business. Staysail Enterprises, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.