Sternweiler, A., teinle, K., & Leffers, M. (2004). Self-confidence and persistence: Two hundred years of history / Andreas Sternweiler. [Edited and published by Schwules Museum. Compilation and adaption of material: Andreas Sternweiler ; Karl-Heinz Steinle. Translations from the German: Maika Leffers.].
Lua i Stíl Chicago (17ú heag.)Sternweiler, Andreas, Karl-Heinz teinle, agus Maika Leffers. Self-confidence and Persistence: Two Hundred Years of History / Andreas Sternweiler. [Edited and Published by Schwules Museum. Compilation and Adaption of Material: Andreas Sternweiler ; Karl-Heinz Steinle. Translations from the German: Maika Leffers.]. Berlin, 2004.
Lua MLA (8ú heag.)Sternweiler, Andreas, et al. Self-confidence and Persistence: Two Hundred Years of History / Andreas Sternweiler. [Edited and Published by Schwules Museum. Compilation and Adaption of Material: Andreas Sternweiler ; Karl-Heinz Steinle. Translations from the German: Maika Leffers.]. 2004.