Wells, F. O. (1976). Letter: Nitrazepam and diazepam.
Chicago Style aipamenaWells, F O. Letter: Nitrazepam and Diazepam. 1976.
MLA aipamenaWells, F O. Letter: Nitrazepam and Diazepam. 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Wells, F. O. (1976). Letter: Nitrazepam and diazepam.
Chicago Style aipamenaWells, F O. Letter: Nitrazepam and Diazepam. 1976.
MLA aipamenaWells, F O. Letter: Nitrazepam and Diazepam. 1976.