Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.