Dey, A. (1986). Theory of block designs. Wiley Eastern Ltd.
Chicago Style aipamenaDey, Aloke. Theory of Block Designs. New Delhi: Wiley Eastern Ltd, 1986.
MLA aipamenaDey, Aloke. Theory of Block Designs. Wiley Eastern Ltd, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.