Caroli, Daniele (9 December 1989). "Italy > Talent Challenges"(PDF). Billboard Magazine. 101 (49). Nielsen Business Media, Inc.: I-8. ISSN0006-2510. Retrieved 25 July 2020 – via World Radio History.
worldradiohistory.com
"Pacing the Majors"(PDF). Billboard. 20 January 1990. p. A-10. Retrieved 10 October 2020.
Caroli, Daniele (9 December 1989). "Italy > Talent Challenges"(PDF). Billboard Magazine. 101 (49). Nielsen Business Media, Inc.: I-8. ISSN0006-2510. Retrieved 25 July 2020 – via World Radio History.