Blauner, P. (2017). Proving ground (First edition.). Minotaur Books.
Cita Chicago Style (17a ed.)Blauner, Peter. Proving Ground. First edition. New York: Minotaur Books, 2017.
Cita MLA (8a ed.)Blauner, Peter. Proving Ground. First edition. Minotaur Books, 2017.
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