Waetzoldt, W. (2012). Copy of a letter in German (not dated). Saint Louis University Libraries Digitization Center.
Chicago Style aipamenaWaetzoldt, Wilhelm. Copy of a Letter in German (not Dated). Saint Louis University Libraries Digitization Center, 2012.
MLA aipamenaWaetzoldt, Wilhelm. Copy of a Letter in German (not Dated). Saint Louis University Libraries Digitization Center, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.