Jackson, R. H. (1986). World regional geography: Issues for today (2ª ed.). John Wiley and Sons.
芝加哥风格引文Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
MLA引文Jackson, Richard H. World Regional Geography: Issues for Today. 2ª ed. John Wiley and Sons, 1986.
警告：这些引文格式不一定是100％准确.