Hasbún Hasbún, L. (2005). The effect of explicit vocabulary teaching on vocabulary acquisition and attitude towards reading. Universidad de Costa Rica.
芝加哥风格引文Hasbún Hasbún, Leyla. The Effect of Explicit Vocabulary Teaching on Vocabulary Acquisition and Attitude Towards Reading. Universidad de Costa Rica, 2005.
MLA引文Hasbún Hasbún, Leyla. The Effect of Explicit Vocabulary Teaching on Vocabulary Acquisition and Attitude Towards Reading. Universidad de Costa Rica, 2005.
警告：这些引文格式不一定是100％准确.