@book{66901,
	author = {Kouzes, James M. and Posner, Barry Z.},
	title = {The leadership challenge},
	publisher = {Wiley},
	year = {2023},
	address = {Hoboken, New Jersey},
	edition = {Seventh edition},
	note = {Includes index},
	url = {https://www.gbv.de/dms/zbw/1810000793.pdf}
}