APA-referens

Hodges, W. (1991). Logic: An introduction to elementary logic. London: Penguin Books.

Chicago-stil citat

Hodges, Wilfrid. Logic: An Introduction to Elementary Logic. London: Penguin Books, 1991.

MLA-referens

Hodges, Wilfrid. Logic: An Introduction to Elementary Logic. London: Penguin Books, 1991.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.