source: This Agreement may only be amended by a writing specifically referencing this Agreement, and expressing the intent to amend this Agreement which has been signed by authorized representatives of the parties.
target: This Agreement may only be amended by a writing specifically referencing this Agreement. The agreement must express the intent to amend this Agreement. The Agreement needs to be signed by authorized representatives of the parties.
references: This Agreement may only be amended by a writing specifically referencing this Agreement. The agreement must express the intent to amend this Agreement. The Agreement needs to be signed by authorized representatives of the parties.