dkk & Saiduddin, I. A. (2012). Buku Pintar Toefl. DIVA Press.
芝加哥风格引文dkk 与 Irham Ali Saiduddin. Buku Pintar Toefl. DIVA Press, 2012.
MLA引文dkk 与 Irham Ali Saiduddin. Buku Pintar Toefl. DIVA Press, 2012.
警告：这些引文格式不一定是100％准确.
APA引文