Scott, J. (1969). White poppy: A history of opium.
Chicago Style aipamenaScott, Jm. White Poppy: A History of Opium. 1969.
MLA aipamenaScott, Jm. White Poppy: A History of Opium. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Scott, J. (1969). White poppy: A history of opium.
Chicago Style aipamenaScott, Jm. White Poppy: A History of Opium. 1969.
MLA aipamenaScott, Jm. White Poppy: A History of Opium. 1969.