APA (7e ed.) Bronvermelding

PICKOVER CLIFFORD A. (1994). VISION OF THE FUTURE. ST.MARTIN`S PRESS.

Chicago (17e ed.) Bronvermelding

PICKOVER CLIFFORD A. VISION OF THE FUTURE. NEW YORK: ST.MARTIN`S PRESS, 1994.

MLA (9e ed.) Bronvermelding

PICKOVER CLIFFORD A. VISION OF THE FUTURE. ST.MARTIN`S PRESS, 1994.