APA-referens

Crossley, J. What is mathematical logic (2nd ed.). Oxford University.

Chicago-stil citat

Crossley, J.N. What Is Mathematical Logic. 2nd ed. London: Oxford University.

MLA-referens

Crossley, J.N. What Is Mathematical Logic. 2nd ed. Oxford University.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.