Richards, J. C., & Eckstut-Didier, S. Strategic reading 1: Building effective reading skills. Student´s book (2a ed.).
芝加哥风格引文Richards, Jack C., 与 Samuela Eckstut-Didier. Strategic Reading 1: Building Effective Reading Skills. Student´s Book. 2a ed.
MLA引文Richards, Jack C., 与 Samuela Eckstut-Didier. Strategic Reading 1: Building Effective Reading Skills. Student´s Book. 2a ed.
警告：这些引文格式不一定是100％准确.