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Grein, Paul (February 7, 1987). "Chart Beat"(PDF). Billboard. Vol. 99, no. 6. p. 6. ISSN0006-2510. Archived(PDF) from the original on February 8, 2022. Retrieved May 6, 2022.
Grein, Paul (December 6, 1986). "Chart Beat"(PDF). Billboard. Vol. 98, no. 49. p. 6. ISSN0006-2510. Archived(PDF) from the original on February 8, 2022. Retrieved May 6, 2022.
Grein, Paul (January 17, 1987). "Chart Beat"(PDF). Billboard. Vol. 99, no. 3. p. 6. ISSN0006-2510. Archived(PDF) from the original on February 8, 2022. Retrieved May 6, 2022.
Grein, Paul (January 24, 1987). "Chart Beat"(PDF). Billboard. Vol. 99, no. 4. p. 6. ISSN0006-2510. Archived(PDF) from the original on February 8, 2022. Retrieved May 6, 2022.
Grein, Paul (February 7, 1987). "Chart Beat"(PDF). Billboard. Vol. 99, no. 6. p. 6. ISSN0006-2510. Archived(PDF) from the original on February 8, 2022. Retrieved May 6, 2022.
"Top 3 in Europe"(PDF). Music & Media. 4 (4): 18. January 31, 1987. Archived(PDF) from the original on August 21, 2020. Retrieved April 20, 2022.
"European Airplay Top 50"(PDF). Music & Media. 3 (51/52): 6. December 27, 1986. Archived(PDF) from the original on August 21, 2020. Retrieved April 20, 2022.
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