DURRENBERGER, R. (1969). California: The last frontier. Van Nostrand Reinhold co.
芝加哥风格引文DURRENBERGER, Robert. California: The Last Frontier. New York: Van Nostrand Reinhold co, 1969.
MLA引文DURRENBERGER, Robert. California: The Last Frontier. Van Nostrand Reinhold co, 1969.
警告：这些引文格式不一定是100％准确.