APA (7th ed.) Zitazioa
Hackett, M., Statham, G., & Bowsher, M. (2016). The Aqua Group guide to procurement, tendering and contract administration (Second edition.). Wiley Blackwell.
Chicago Style (17th ed.) Zitazioa
Hackett, Mark, Gary Statham, eta Michael Bowsher. The Aqua Group Guide to Procurement, Tendering and Contract Administration. Second edition. Chichester, England: Wiley Blackwell, 2016.
MLA (9th ed.) Zitazioa
Hackett, Mark, et al. The Aqua Group Guide to Procurement, Tendering and Contract Administration. Second edition. Wiley Blackwell, 2016.
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