Lua APA (7ú heag.)
Homburg, C., Schfer, H., & Schneider, J. (2012). Sales Excellence: Systematic Sales Management. Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/978-3-642-29169-2
Lua i Stíl Chicago (17ú heag.)
Homburg, Christian, Heiko Schfer, agus Janna Schneider. Sales Excellence: Systematic Sales Management. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012. https://doi.org/10.1007/978-3-642-29169-2.
Lua MLA (9ú heag.)
Homburg, Christian, et al. Sales Excellence: Systematic Sales Management. Springer Berlin Heidelberg : Imprint: Springer, 2012. https://doi.org/10.1007/978-3-642-29169-2.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.