APA استشهاد

Swinburne, R. (1973). An introduction to confirmation theory. Methuen.

استشهاد بنمط شيكاغو

Swinburne, Richard. An Introduction to Confirmation Theory. London: Methuen, 1973.

MLA استشهاد

Swinburne, Richard. An Introduction to Confirmation Theory. Methuen, 1973.