Bjorner, S. N. (1991). "Which Hat Are You Wearing Today?" Ethical Challenges in Dual Employment.
Citazione stile Chigago Style (17a edizione)Bjorner, Susan N. "Which Hat Are You Wearing Today?" Ethical Challenges in Dual Employment. 1991.
Citatione MLA (9a ed.)Bjorner, Susan N. "Which Hat Are You Wearing Today?" Ethical Challenges in Dual Employment. 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.