Berry, C. (2011). The sustainable procurement guide: Procuring sustainably using BS 8903. BSi.
Chicago Style (17th ed.) CitationBerry, Cathy. The Sustainable Procurement Guide: Procuring Sustainably Using BS 8903. London: BSi, 2011.
MLA (8th ed.) CitationBerry, Cathy. The Sustainable Procurement Guide: Procuring Sustainably Using BS 8903. BSi, 2011.
Warning: These citations may not always be 100% accurate.