APA
(1987). British national formulaary no. 13(1987). British medical Ass. & the Pharmaceutical society of Great Britain, London: .
Chicago
1987. British national formulaary no. 13(1987). British medical Ass. & the Pharmaceutical society of Great Britain, London: .
Harvard
(1987). British national formulaary no. 13(1987). British medical Ass. & the Pharmaceutical society of Great Britain, London: .
MLA
British national formulaary no. 13(1987). British medical Ass. & the Pharmaceutical society of Great Britain, London: . 1987.