Parsons, A. R. (1933). Hypnotics and pre-anaesthetic sedatives.
Lua i Stíl Chicago (17ú heag.)Parsons, Alfred Robert. Hypnotics and Pre-anaesthetic Sedatives. 1933.
Lua MLA (9ú heag.)Parsons, Alfred Robert. Hypnotics and Pre-anaesthetic Sedatives. 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
