Porkess, R. (2004). Collins dictionary of statistics (Second edition.). HarperCollins Publishers.
Chicago Style (17th ed.) CitationPorkess, Roger. Collins Dictionary of Statistics. Second edition. Glasgow: HarperCollins Publishers, 2004.
MLA (9th ed.) CitationPorkess, Roger. Collins Dictionary of Statistics. Second edition. HarperCollins Publishers, 2004.
Warning: These citations may not always be 100% accurate.