Grobler, A., & Joubert, Y. T. (2020). The relationship between hope and optimism, ethical leadership and person-organisation fit. AOSIS.
Chicago-viite (17. p.)Grobler, Anton, ja Yvonne T. Joubert. The Relationship Between Hope and Optimism, Ethical Leadership and Person-organisation Fit. AOSIS, 2020.
MLA-viite (9. p.)Grobler, Anton, ja Yvonne T. Joubert. The Relationship Between Hope and Optimism, Ethical Leadership and Person-organisation Fit. AOSIS, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.