Drewett 2007, s. 40. Drewett, Michael (February 2007). «The Eyes of the World Are Watching Now: The Political Effectiveness of ‘Biko’ by Peter Gabriel». Popular Music and Society30 (1): 39–51. doi:10.1080/03007760500504929.
Drewett, Michael (February). «The Eyes of the World Are Watching Now: The Political Effectiveness of ‘Biko’ by Peter Gabriel». Popular Music and Society30 (1): 39–51. doi:10.1080/03007760500504929.
Lynskey, Dorian (6. desember 2013). «Nelson Mandela: The Triumph of the Protest Song». The Guardian. Arkivert frå originalen den 9. februar 2017. Henta 26. oktober 2016. «It was Steve Biko, not Mandela, who became the first anti-apartheid icon. When the young leader of the radical black consciousness movement died in police custody in 1977, he inspired songs by the folksinger Tom Paxton, the prog-rock star Peter Hammill, the reggae artists Steel Pulse and Tappa Zukie, and, tardily but most famously, Peter Gabriel.»
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Lynskey, Dorian (6. desember 2013). «Nelson Mandela: The Triumph of the Protest Song». The Guardian. Arkivert frå originalen den 9. februar 2017. Henta 26. oktober 2016. «It was Steve Biko, not Mandela, who became the first anti-apartheid icon. When the young leader of the radical black consciousness movement died in police custody in 1977, he inspired songs by the folksinger Tom Paxton, the prog-rock star Peter Hammill, the reggae artists Steel Pulse and Tappa Zukie, and, tardily but most famously, Peter Gabriel.»