Sevilla Morales, H., & Gamboa Mena, R. (2015). Interactions 1 as an ELT coursebook: A curricular and theory-based scrutiny. Universidad de Costa Rica.
芝加哥风格引文Sevilla Morales, Henry, 与 Roy Gamboa Mena. Interactions 1 as an ELT Coursebook: A Curricular and Theory-based Scrutiny. Universidad de Costa Rica, 2015.
MLA引文Sevilla Morales, Henry, 与 Roy Gamboa Mena. Interactions 1 as an ELT Coursebook: A Curricular and Theory-based Scrutiny. Universidad de Costa Rica, 2015.
警告：这些引文格式不一定是100％准确.