Cita APA (7th ed.)

Fisher, R. (1991). Getting to Yes (2nd.). Pearson education.

Cita Chicago (17th ed.)

Fisher, Roger. Getting to Yes. 2nd. New Delhi: Pearson education, 1991.

Cita MLA (9th ed.)

Fisher, Roger. Getting to Yes. 2nd. Pearson education, 1991.