Boccia, F., Lovisetti, P. B., & Bolton, C. (2007). Wonders of the world. White Star.
Chicago Style aipamenaBoccia, Francesco, Patrizia Balocco Lovisetti, and Catherine Bolton. Wonders of the World. Italy: White Star, 2007.
MLA aipamenaBoccia, Francesco, et al. Wonders of the World. White Star, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.