FREUD, J. E. (1977). Elementary Businisess Statistics The Modern Approach John E. Freud Dan Frank J. Williams. Prentice-Hall International.
Chicago Style (17th ed.) CitationFREUD, John E. Elementary Businisess Statistics The Modern Approach John E. Freud Dan Frank J. Williams. Prentice-Hall International, 1977.
MLA引文FREUD, John E. Elementary Businisess Statistics The Modern Approach John E. Freud Dan Frank J. Williams. Prentice-Hall International, 1977.
警告：这些引文格式不一定是100％准确.