@book{Wiesner, author = {Wiesner, Knut A.}, title = {Faires Management und Marketing}, publisher = {De Gruyter Oldenbourg}, address = {Berlin}, isbn = {978-3-486-71912-3}, pages = {XV, 282}, language = {de} } @book{Wiesner, author = {Wiesner, Knut}, title = {Strategisches Tourismusmarketing}, edition = {2}, publisher = {Erich Schmidt}, address = {Berlin}, language = {de} }