Roberts, P. (1958). Understanding English. Harper.
Chicago Style (17th ed.) CitationRoberts, Paul. Understanding English. New York: Harper, 1958.
MLA引文Roberts, Paul. Understanding English. Harper, 1958.
警告:這些引文格式不一定是100%准確.
Roberts, P. (1958). Understanding English. Harper.
Chicago Style (17th ed.) CitationRoberts, Paul. Understanding English. New York: Harper, 1958.
MLA引文Roberts, Paul. Understanding English. Harper, 1958.