APA ציטוט

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

Παραπομπή Chicago Style

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

ציטוט MLA

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