APA
G. B/Dept.of Pharm sec, . (1973). British Pharmaceutical coder 1973. : .
Chicago
G. B/Dept.of Pharm sec, . 1973. British Pharmaceutical coder 1973. : .
Harvard
G. B/Dept.of Pharm sec, . (1973). British Pharmaceutical coder 1973. : .
MLA
G. B/Dept.of Pharm sec, . British Pharmaceutical coder 1973. : . 1973.