1971 Grand Prix German Open (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1971 Grand Prix German Open" in English language version.

refsWebsite

Global rank English rank

285^th place

221^st place

5^th place

5^th place

atptour.com

"1971 Hamburg – Men's singles draw". Association of Tennis Professionals (ATP).
"1971 Hamburg – Men's doubles draw". Association of Tennis Professionals (ATP).

worldcat.org

search.worldcat.org

John Barrett, ed. (1972). World of Tennis '72. London: Queen Anne Press. pp. 308–309. ISBN 9780362001037. OCLC 86035663.