Gaya APA

Alighieri, D. (1974). The divine comedy, 2: Purgatory. Transl. by Dorothy L. Sayers. : Il purgatorio. 1955 . Harmondsworth: Harmondsworth Penguin Books.

Gaya MLA

Alighieri, Dante. "The divine comedy, 2: Purgatory. Transl. by Dorothy L. Sayers. : Il purgatorio. 1955 ". Harmondsworth: Harmondsworth Penguin Books, 1974. Buku.