Cita APA

Birch, B. Alexander Fleming: The bacteriologist who discovered penicillin a miracle drug that has saved millions of lives.

Chicago Edition Citation

Birch, Beverley. Alexander Fleming: The Bacteriologist Who Discovered Penicillin a Miracle Drug That Has Saved Millions of Lives. Hyderabad, Orient Longman.

Cita MLA

Birch, Beverley. Alexander Fleming: The Bacteriologist Who Discovered Penicillin a Miracle Drug That Has Saved Millions of Lives.