Citazione Stile APA (7a Edizione)

GREEN, J. (1965). Sets and groups. E.L.B.S & Routledge and kegan paul.

Citazione stile Chigago Style (17a edizione)

GREEN, J.A. Sets and Groups. London: E.L.B.S & Routledge and kegan paul, 1965.

Citatione MLA (9a ed.)

GREEN, J.A. Sets and Groups. E.L.B.S & Routledge and kegan paul, 1965.