Παραπομπή σε μορφή APA (7η εκδ.)

Boyne, J., & Jeffers, i. O. (2013). A coisa terrível que aconteceu a Barnaby Brocket. Bertrand.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Boyne, John, και il. Oliver Jeffers. A Coisa Terrível Que Aconteceu a Barnaby Brocket. Bertrand, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

Boyne, John, και il. Oliver Jeffers. A Coisa Terrível Que Aconteceu a Barnaby Brocket. Bertrand, 2013.