Major League Baseball (Organization) & Triumph Books (Firm). (2025). Official baseball rules: 2025 edition (2025 edition.). Triumph Books.
Cita Chicago Style (17a ed.)Major League Baseball (Organization) y Triumph Books (Firm). Official Baseball Rules: 2025 Edition. 2025 edition. Chicago, IL: Triumph Books, 2025.
Cita MLA (8a ed.)Major League Baseball (Organization) y Triumph Books (Firm). Official Baseball Rules: 2025 Edition. 2025 edition. Triumph Books, 2025.
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