Hadfield, S. How to be assertive in any situation (1.). Pearson Education UK.
Citación estilo ChicagoHadfield, Sue;Hasson. How to Be Assertive in Any Situation. 1. Pearson Education UK.
Cita MLAHadfield, Sue;Hasson. How to Be Assertive in Any Situation. 1. Pearson Education UK.
Warning: These citations may not always be 100% accurate.