एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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