"Hits of the World". Billboard. Vol. 90, no. 35. 2 September 1978. p. 73. ISSN0006-2510. Archived from the original on 19 April 2022. Retrieved 27 October 2020.
"Tous les Titres par Artiste". InfoDisc (in French). Select "Bee Gees" from the artist drop-down menu. Archived from the original on 20 September 2013. Retrieved 13 June 2013.
"Singles Reviews > Feature Picks"(PDF). Cash Box. Vol. XXXIX, no. 30. 10 December 1977. p. 23. Archived(PDF) from the original on 11 February 2022. Retrieved 31 December 2021.
"Tous les Titres par Artiste". InfoDisc (in French). Select "Bee Gees" from the artist drop-down menu. Archived from the original on 20 September 2013. Retrieved 13 June 2013.
"Hits of the World". Billboard. Vol. 90, no. 35. 2 September 1978. p. 73. ISSN0006-2510. Archived from the original on 19 April 2022. Retrieved 27 October 2020.
"Hits of the World"(PDF). Billboard. Vol. 90, no. 51. 23 December 1978. p. 107. Archived(PDF) from the original on 9 November 2021. Retrieved 9 November 2021.
"Economic Upsurge"(PDF). Billboard. Vol. 90, no. 12. 25 March 1978. p. UK-30. Archived(PDF) from the original on 24 September 2021. Retrieved 1 December 2021 – via World Radio History.
"The RM on a Pop Tip Club Chart"(PDF). Music Week, in Record Mirror (Dance Update Supplemental Insert). 23 September 1995. p. 10. Archived(PDF) from the original on 12 May 2021. Retrieved 15 May 2021.
"Hits of the World". Billboard. Vol. 90, no. 35. 2 September 1978. p. 73. ISSN0006-2510. Archived from the original on 19 April 2022. Retrieved 27 October 2020.
"Singles Reviews > Feature Picks"(PDF). Cash Box. Vol. XXXIX, no. 30. 10 December 1977. p. 23. Archived(PDF) from the original on 11 February 2022. Retrieved 31 December 2021.
"Hits of the Week"(PDF). Record World. 10 December 1977. p. 1. Retrieved 15 February 2023.
"Hits of the World"(PDF). Billboard. Vol. 90, no. 51. 23 December 1978. p. 107. Archived(PDF) from the original on 9 November 2021. Retrieved 9 November 2021.
"Economic Upsurge"(PDF). Billboard. Vol. 90, no. 12. 25 March 1978. p. UK-30. Archived(PDF) from the original on 24 September 2021. Retrieved 1 December 2021 – via World Radio History.
"The RM on a Pop Tip Club Chart"(PDF). Music Week, in Record Mirror (Dance Update Supplemental Insert). 23 September 1995. p. 10. Archived(PDF) from the original on 12 May 2021. Retrieved 15 May 2021.