«MARCEL LEMMENS y HERMAN WEKKER, Grammarian in english learner’s dictionaries (Lexicographica, Series Maior 16), Tubingen Niemeyer. 1986,117 p». Lexis 12, no. 1 (abril 11, 1988): 118–120. Accedido septiembre 18, 2026. https://revistas.pucp.edu.pe/index.php/lexis/article/view/5448.