NASUTION, L. A., PENROSE, T., & SURIADIPUTRA, W. Listening intermediate: Buku tuntunan belajar mandiri.
芝加哥风格引文NASUTION, Liza Azfina, Trevear PENROSE, 与 Wendy SURIADIPUTRA. Listening Intermediate: Buku Tuntunan Belajar Mandiri. Jakarta LP3B UT and Oxford University Press, 1991.
MLA引文NASUTION, Liza Azfina, et al. Listening Intermediate: Buku Tuntunan Belajar Mandiri.
警告：这些引文格式不一定是100％准确.