Butler, C. (2003). Approaches to the simplex clause: A guide to three major structural-functional theories. John Benjamins.
芝加哥风格引文Butler, Christopher. Approaches to the Simplex Clause: A Guide to Three Major Structural-functional Theories. Amsterdam ; Philadelphia: John Benjamins, 2003.
MLA引文Butler, Christopher. Approaches to the Simplex Clause: A Guide to Three Major Structural-functional Theories. John Benjamins, 2003.
警告：这些引文格式不一定是100％准确.