APA
(1993). British Pharmacopoeia 1993 vol I. HMSO, London: .
Chicago
1993. British Pharmacopoeia 1993 vol I. HMSO, London: .
Harvard
(1993). British Pharmacopoeia 1993 vol I. HMSO, London: .
MLA
British Pharmacopoeia 1993 vol I. HMSO, London: . 1993.