Analysis of information sources in references of the Wikipedia article "1978 Virginia Slims of Philadelphia – Singles" in English language version.
Virginia Slims of Philadelphia (Mar. 20-26; Philadelphia, PA, indoor, seeded 1): 1R def. Laura DuPont 6-2, 6-2; 2R def. Regina Marsikova 4-6, 6-3, 6-0; QF def. Wendy Turnbull 6-2, 6-1; SF def. Virginia Wade 6-3, 6-2; F def. Billie Jean King 6-0, 6-4
