Romero, D. B. (1992). Vocabulary improvement: Words made easy. Crisp Publications.
芝加哥风格引文Romero, Diana Bonet. Vocabulary Improvement: Words Made Easy. Los Altos, Calif.: Crisp Publications, 1992.
MLA引文Romero, Diana Bonet. Vocabulary Improvement: Words Made Easy. Crisp Publications, 1992.
警告：这些引文格式不一定是100％准确.