APA (7th ed.) Zitazioa

CROSSLEY, J. N. (1969). Constructive order types. North-Holland.

Chicago Style (17th ed.) Zitazioa

CROSSLEY, John N. Constructive Order Types. Amsterdam: North-Holland, 1969.

MLA (9th ed.) Zitazioa

CROSSLEY, John N. Constructive Order Types. North-Holland, 1969.