AYYUB, A. S. Varieties of experience. c1980.
Chicago Style (17th ed.) ZitazioaAYYUB, Abu Sayeed. Varieties of Experience. Calcutta: c1980.
MLA (9th ed.) ZitazioaAYYUB, Abu Sayeed. Varieties of Experience. c1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.