Autor
Costi, Melina
2
Dale Carnegie & Associates
1
Dale Carnegie Training (firma)
1
Fischer-Wright, Halee
1
Hroník, František, 1956-
1
Javůrková, Simona, 1976-
1
Jurek, Viktor
2
King, John Paul, 1941-
1
Logan, David 1968-
1
Mühlfeit, Jan, 1962-
2
Scott, Kim Malone
2
Sinek, Simon, 1973-
2
Vávrová, Iva
1
Čermák, Michal
1