Wilke, T. (2017). 100 tips to be a great leader, Volume 1: = Hundred tips to be a great leader (1st edition.). Australian eBook Publisher.
Chicago-Zitierstil (17. Ausg.)Wilke, Tim. 100 Tips to Be a Great Leader, Volume 1: = Hundred Tips to Be a Great Leader. 1st edition. Acacia Ridge: Australian eBook Publisher, 2017.
MLA-Zitierstil (9. Ausg.)Wilke, Tim. 100 Tips to Be a Great Leader, Volume 1: = Hundred Tips to Be a Great Leader. 1st edition. Australian eBook Publisher, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.