APA (7e ed.) Bronvermelding

Não informado. (2004). Research & Development. Reed Business Information.

Chicago (17e ed.) Bronvermelding

Não informado. Research & Development. Highlands Ranch, Colo: Reed Business Information, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Research & Development. Reed Business Information, 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.