Sulmers, Georges (1985). "UFO: On the Horizon". Rock Scene. Bethany, Connecticut: Four Seasons Publications. pp. 45–47. Archived from the original(Scan) on 13 September 2015. Retrieved 7 November 2017.
Sharpe, Garry (July 1988). "Back on the Streets". Metal Forces. No. 29. Stevenage, England: Rockzone Publications. Archived from the original(Scan) on 24 May 2016. Retrieved 7 November 2017.
Honey, Matthew (November 1997). "Get Ready to Rock..."Hard Roxx. No. 26. Archived from the original(Scan) on 13 September 2015. Retrieved 7 November 2017.
Sulmers, Georges (1985). "UFO: On the Horizon". Rock Scene. Bethany, Connecticut: Four Seasons Publications. pp. 45–47. Archived from the original(Scan) on 13 September 2015. Retrieved 7 November 2017.
Sharpe, Garry (July 1988). "Back on the Streets". Metal Forces. No. 29. Stevenage, England: Rockzone Publications. Archived from the original(Scan) on 24 May 2016. Retrieved 7 November 2017.
Honey, Matthew (November 1997). "Get Ready to Rock..."Hard Roxx. No. 26. Archived from the original(Scan) on 13 September 2015. Retrieved 7 November 2017.