Howard, J. (2014). Game magic: A designer's guide to magic systems in theory and practice. A K Peters/CRC Press.
Citace podle Chicago (17th ed.)Howard, Jeff. Game Magic: A Designer's Guide to Magic Systems in Theory and Practice. Baco Raton, FL: A K Peters/CRC Press, 2014.
Citace podle MLA (9th ed.)Howard, Jeff. Game Magic: A Designer's Guide to Magic Systems in Theory and Practice. A K Peters/CRC Press, 2014.
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