Barker, D., & Hall, A. (1991). Practical epidemiology (4th. Ed.). London, Malaysia: Churchill Livingtone, Educational Low Priced Books Sheme.
Chicago Style CitationBarker, D.J.P, and A.J Hall. Practical Epidemiology. 4th. Ed. London, Malaysia: Churchill Livingtone, Educational Low Priced Books Sheme, 1991.
MLA CitationBarker, D.J.P, and A.J Hall. Practical Epidemiology. 4th. Ed. London, Malaysia: Churchill Livingtone, Educational Low Priced Books Sheme, 1991.
Warning: These citations may not always be 100% accurate.