Overstreet, R. M., & Ramirez, Y. (2025). The Overstreet comic book price guide (55th edition.). Gemstone Publishing.
Cita Chicago Style (17a ed.)Overstreet, Robert M., y Yolanda Ramirez. The Overstreet Comic Book Price Guide. 55th edition. [United States]: Gemstone Publishing, 2025.
Cita MLA (8a ed.)Overstreet, Robert M., y Yolanda Ramirez. The Overstreet Comic Book Price Guide. 55th edition. Gemstone Publishing, 2025.
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