Gott, V. (1977). This amazing, amazing, amazing but Knowledge universe: Knowledge universe. Progress Pub.
Chicago (17e ed.) BronvermeldingGott, V. This Amazing, Amazing, Amazing but Knowledge Universe: Knowledge Universe. Moscow: Progress Pub, 1977.
MLA (9e ed.) BronvermeldingGott, V. This Amazing, Amazing, Amazing but Knowledge Universe: Knowledge Universe. Progress Pub, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.