Krejci, J., & Krejcova, A. (1990). Before the European challenge: The great civilizations of Asia and the Middle East. State University of New York Press.
芝加哥风格引文Krejci, Jaroslav, 与 Anna Krejcova. Before the European Challenge: The Great Civilizations of Asia and the Middle East. Albany: State University of New York Press, 1990.
MLA引文Krejci, Jaroslav, 与 Anna Krejcova. Before the European Challenge: The Great Civilizations of Asia and the Middle East. State University of New York Press, 1990.
警告：这些引文格式不一定是100％准确.