Phillips, H. (1961). My best puzzles in logic and reasoning. Dover.
Cita Chicago Style (17a ed.)Phillips, Hubert. My Best Puzzles in Logic and Reasoning. New York: Dover, 1961.
Cita MLA (8a ed.)Phillips, Hubert. My Best Puzzles in Logic and Reasoning. Dover, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.