«Level 42 Biography - 1983» (en anglès). Blog de Wordpress. [Consulta: 16 agost 2019]. «The single ‘FOREVER NOW’ was finally released on the 14th on two CD's, 12″ and cassette and reached number 19. The following month saw the album ‘FOREVER NOW’ released to critical acclaim and reach number 8»
forevernow.com
Thorburn, Stephanie. «To Be With You Again. Mike Lindup’s Emotional Reunion @ The Forum, 13th February 2005» (en anglès). Forevernow.com - The Music of Level 42 on the Web, 2005. [Consulta: 14 agost 2019]. «As you know, it is 25 years since Level 42 began this year… There is someone here tonight who was around since the very beginning and he is going to join us to sing a few numbers tonight.” Those words signalled to the stage a ‘young man' by the name of Mike Lindup...»
«Superockers - Level 42» (en castellà), 19-11-2016. [Consulta: 16 agost 2019]. «...pidiendo al músico Allan Holdsworth para aportar unos toques sorprendentes de guitarra para el álbum Guaranteed (sobre todo a “A Kinder Eye”). Pese a la buena acogida, especialmente de los críticos de la música de Estados Unidos, muchos de sus incondicionales del jazz-funk no les gustó su estilo rock-pop. El álbum no se vendió tan bien como se esperaba a pesar de haber realizado musicalmente el trabajo más sofisticado y elaborado por Level 42 hasta la fecha.»
udiscovermusic.com
Bell, Max. «Artists - Level 42» (en anglès). uDiscoverMusic. [Consulta: 13 agost 2019]. «they backed up the commercial success with wildly inventive powerhouse live shows, evident on the 1985 double A Physical Presence, caught on the boards in London and the shires.»
web.archive.org
Error: hi ha arxiuurl o arxiudata, però calen tots dos paràmetres.Carte, Mandy. «Interview: Mark King – Level 42» (en anglès), 12-06-2006. [Consulta: 13 agost 2019].
«Level 42 Heathrow featuring BOON GOULD Bristol 2012» (en anglès). Youtube-Keith 1810, 21-10-2012. [Consulta: 16 agost 2019]. «As a treat for Mark's birthday, the one and only Boon Gould joined the band on stage. By the end, it was like he'd never been away!»