Lua APA (7ú heag.)
Spiller, P. (2014). Procurement 20/20: Supply entrepreneurship in a changing world. Wiley.
Lua i Stíl Chicago (17ú heag.)
Spiller, Peter. Procurement 20/20: Supply Entrepreneurship in a Changing World. Hoboken, New Jersey: Wiley, 2014.
Lua MLA (9ú heag.)
Spiller, Peter. Procurement 20/20: Supply Entrepreneurship in a Changing World. Wiley, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.