SANDER, P. (2017). Negotiating 101. Adam Media.
Lua i Stíl Chicago (17ú heag.)SANDER, Peter. Negotiating 101. Adam Media, 2017.
Lua MLA (8ú heag.)SANDER, Peter. Negotiating 101. Adam Media, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.