In Rita's process chart "Determine what to purchase" and "Determine team" are before "Create WBS and WBS dictionary", I believe this should the other way around as we need to know the exact deliverables which is in the WBS to perform a buy-make analysis and to determine what type of HR is require for each deliverable.
Yes I know that the project scope statement has in the project deliverables but the WBS will have more detailed and decomposition so it make more sense to go against Rita's order.