Rocío Madrigal, A., Syedd León, R., Montero, E., & Vega-Baudrit, J. (2012). Analysis of national chemistry olympiad in Costa Rica: Achievements and challenges for young people.
Citación estilo ChicagoRocío Madrigal, Ana, Randall Syedd León, Eric Montero, y José Vega-Baudrit. Analysis of National Chemistry Olympiad in Costa Rica: Achievements and Challenges for Young People. 2012.
MLA引文Rocío Madrigal, Ana, Randall Syedd León, Eric Montero, y José Vega-Baudrit. Analysis of National Chemistry Olympiad in Costa Rica: Achievements and Challenges for Young People. 2012.
警告：这些引文格式不一定是100％准确.