Esat R. ,Morison, A., Morrison, A., & Norton, J. (1990). Get sharp. Heinmann.
芝加哥风格引文Esat R. ,Morison, A., A. Morrison, 与 J. Norton. Get Sharp. Nairobi: Heinmann, 1990.
MLA引文Esat R. ,Morison, A., et al. Get Sharp. Heinmann, 1990.
警告：这些引文格式不一定是100％准确.