Bolton, R. (1979). People skills: How to assert yourself, listen to others, and resolve conflicts. Englewood Cliffs, N.J: Prentice-Hall.
Citación estilo ChicagoBolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. Englewood Cliffs, N.J: Prentice-Hall, 1979.
Cita MLABolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. Englewood Cliffs, N.J: Prentice-Hall, 1979.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.