Urdiales Orellana, V. F., & León Vélez, M. V. (2013). Developing english vocabulary through the use of songs in students of fourth level of Basic Education at “Unidad Educativa Fiscomisional Don Bosco.
芝加哥风格引文Urdiales Orellana, Vicente Fernando, 与 María Verónica León Vélez. Developing English Vocabulary Through the Use of Songs in Students of Fourth Level of Basic Education at “Unidad Educativa Fiscomisional Don Bosco. 2013.
MLA引文Urdiales Orellana, Vicente Fernando, 与 María Verónica León Vélez. Developing English Vocabulary Through the Use of Songs in Students of Fourth Level of Basic Education at “Unidad Educativa Fiscomisional Don Bosco. 2013.
警告：这些引文格式不一定是100％准确.