1. Frazelle, E. (2002). World-Class Warehousing and Material Handling. McGraw-Hill. In Chapter 6, "Shipping," the shipping staging function is described as the accumulation and consolidation of orders into shipments and the final point of verification before loading onto a carrier (pp. 145-147).
2. Richards, G. (2017). Warehouse Management: A Complete Guide to Improving Efficiency and Minimizing Costs (3rd ed.). Kogan Page. Chapter 11, "The Outbound Process: Packing and Dispatch," details that goods are moved to a marshalling (staging) area for consolidation and final checks against the manifest before being loaded for dispatch (pp. 228-229).
3. Bartholdi, J. J., & Hackman, S. T. (2019). Warehouse & Distribution Science. Georgia Institute of Technology. In Chapter 5, "Order-picking," the text outlines the process flow where picked orders are transported to a consolidation or staging area near the shipping docks for final preparation and verification before loading (Section 5.6, "Conveying the product").