ebrary, Inc, & Ventola, E. (1991). Functional and systemic linguistics: Approaches and uses. Mouton de Gruyter.
芝加哥风格引文ebrary, Inc, 与 Eija Ventola. Functional and Systemic Linguistics: Approaches and Uses. Berlin ; New York: Mouton de Gruyter, 1991.
MLA引文ebrary, Inc, 与 Eija Ventola. Functional and Systemic Linguistics: Approaches and Uses. Mouton de Gruyter, 1991.
警告：这些引文格式不一定是100％准确.