Barrett, K., & Stannard, D. (1990). Insight guides: Italy. APA Pub.
Chicago-čujuhus (17. p.)Barrett, Katherine, juo Dorothy Stannard. Insight Guides: Italy. Singapore: APA Pub, 1990.
MLA-čujuhus (9. p.)Barrett, Katherine, juo Dorothy Stannard. Insight Guides: Italy. APA Pub, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.