Wilson, G. (1974). Improve your IQ. Futura Publications Ltd.
Chicago Style aipamenaWilson, Glenn. Improve Your IQ. Great Britain: Futura Publications Ltd, 1974.
MLA aipamenaWilson, Glenn. Improve Your IQ. Futura Publications Ltd, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.