Franks, J. (1998). Building procurement systems: A client's guide (3rd edition.). Longman.
Chicago Style aipamenaFranks, James. Building Procurement Systems: A Client's Guide. 3rd edition. Harlow, Essex: Longman, 1998.
MLA aipamenaFranks, James. Building Procurement Systems: A Client's Guide. 3rd edition. Longman, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.