Hill, D., Hill, A., & Richardson, S. (2012). Dealing with the tough stuff: How to achieve results from crucial conversations. Jossey-Bass.
Chicago Style (17th ed.) ZitazioaHill, Darren, Alison Hill, eta Sean Richardson. Dealing with the Tough Stuff: How to Achieve Results from Crucial Conversations. Milton, Qld.: Jossey-Bass, 2012.
MLA (9th ed.) ZitazioaHill, Darren, et al. Dealing with the Tough Stuff: How to Achieve Results from Crucial Conversations. Jossey-Bass, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.