SÎRBOIU, F. Peter G. Northouse Leadership: Theory and Practice – Sixth Edition 2013, Editura Sage , 481 p. Psihologia Resurselor Umane, [S. l.], v. 11, n. 1, p. 107–108, 2019. Disponível em: https://www.hrp-journal.com/index.php/pru/article/view/198. Acesso em: 10 may. 2026.