(en) Stephen Stratton, Pokémon X & Pokémon Y: The Official Kalos Region Guidebook: The Official Pokémon Strategy Guide, The Pokémon Company International, (ISBN978-0-8041-6321-7, lire en ligne [archive du ]), p. 14-15
(en) Stephen Stratton, Pokémon X & Pokémon Y: The Official Kalos Region Guidebook: The Official Pokémon Strategy Guide, The Pokémon Company International, (ISBN978-0-8041-6321-7, lire en ligne [archive du ]), p. 14-15