(1927). Protokollbuch des Reise-Brieftaubenclubs "Sturmvogel" Steinach (Thür.) 1927-1940.
Cita Chicago (17th ed.)Protokollbuch Des Reise-Brieftaubenclubs "Sturmvogel" Steinach (Thür.) 1927-1940. Steinach, 1927.
Cita MLA (8th ed.)Protokollbuch Des Reise-Brieftaubenclubs "Sturmvogel" Steinach (Thür.) 1927-1940. 1927.
Atenció: Aquestes cites poden no estar 100% correctes.