↑ Consular reports: Commerce, manufactures, etc, Issues 164-167. United States. Bureau of Foreign Commerce, United States. Dept. of Commerce and Labor G.P.O., 1894. Pg 361
↑ Invitation to tender, information for bidders, contract, specifications, bond and contractors' proposal, Issue 1. Delaware Bridge Joint Commission of the States of Pennsylvania and New Jersey Enterprise Pub. Co., 1921
↑ Urizar, Mark (2013). The Project Manager's Checklist for Building Projects: Delivery Strategies & Processes. Xlibris Corporation. tr. 236. ISBN9781483662954. Truy cập ngày 3 tháng 12 năm 2015. The Expression of Interest (EOI) tender call is to inform tenderers of the context of the project, nature of proposed appointment and submission requirements. The aim of the EOI process is to shortlist the contenders who may be suitable for the appointment.
↑ Compare:Herbst, Douglas; Edmondson, Samuel A. (2012). “Design-Build Procurement Approaches”. Trong Shorney-Darby, Holly (biên tập). Design-build for Water and Wastewater Projects. American Water Works Association. tr. 73. ISBN9781583218181. Truy cập ngày 3 tháng 12 năm 2015. An Expression of Interest (EOI) is a document that an owner can issue prior to the release of the RFQ or RFP. [...] An EOI [...] would request basic information about the design-builder, solicit comments on the requested project features, and ask for an EOI for the project from the practitioners.
↑ Lasa Information Systems Team. “Invitation to tender”. PM Hut. Truy cập ngày 2 tháng 4 năm 2010.
