APA citiranje

Berry, C. (2011). The sustainable procurement guide: Procuring sustainably using BS 8903. BSi.

Chicago Style (17th ed.) Citation

Berry, Cathy. The Sustainable Procurement Guide: Procuring Sustainably Using BS 8903. London: BSi, 2011.

MLA citiranje

Berry, Cathy. The Sustainable Procurement Guide: Procuring Sustainably Using BS 8903. BSi, 2011.