Kotler,Philip, & Pfoertsch,Waldemar. (2006). B2B Brand Management. Springer.
Lua i Stíl Chicago (17ú heag.)Kotler,Philip, agus Pfoertsch,Waldemar. B2B Brand Management. Germaney: Springer, 2006.
Lua MLA (9ú heag.)Kotler,Philip, agus Pfoertsch,Waldemar. B2B Brand Management. Springer, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.