SHYMKIW, A., & LARBALESTIER, D. (2007). Study English: IELTS preparation series one. Gramedia Pustaka Utama.
芝加哥风格引文SHYMKIW, Anna, 与 David LARBALESTIER. Study English: IELTS Preparation Series One. Jakarta: Gramedia Pustaka Utama, 2007.
MLA引文SHYMKIW, Anna, 与 David LARBALESTIER. Study English: IELTS Preparation Series One. Gramedia Pustaka Utama, 2007.
警告：这些引文格式不一定是100％准确.