Ballheimer, D. (2025). Soccer legends: Stats, profiles, top players (2026 ed.). Welbeck Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBallheimer, David. Soccer Legends: Stats, Profiles, Top Players. 2026 ed. London: Welbeck Children's Books, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBallheimer, David. Soccer Legends: Stats, Profiles, Top Players. 2026 ed. Welbeck Children's Books, 2025.
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