APA
Johnson P. (. &. L. J. G. (., . (1987). Drug delivery systems. Ellis horwood, England: .
Chicago
Johnson P (ed) & Lloyd-jones J G (ed), . 1987. Drug delivery systems. Ellis horwood, England: .
Harvard
Johnson P. (. &. L. J. G. (., . (1987). Drug delivery systems. Ellis horwood, England: .
MLA
Johnson P (ed) & Lloyd-jones J G (ed), . Drug delivery systems. Ellis horwood, England: . 1987.