APA
Clarke E. G. C., . (1969). Isolation and identification of drugs. The Pharmaceutical press, London: .
Chicago
Clarke E G C.(ed), . 1969. Isolation and identification of drugs. The Pharmaceutical press, London: .
Harvard
Clarke E. G. C., . (1969). Isolation and identification of drugs. The Pharmaceutical press, London: .
MLA
Clarke E G C.(ed), . Isolation and identification of drugs. The Pharmaceutical press, London: . 1969.