source: Each version of the License is given a distinguishing version number.
target: Every version of the License is given a different number.
references: Every version of the License is given a different number. Each version of the License receives its own unique number. Each type of the License is given a different number. The licenses each get a different number. Each version of the License is given a different version number. Each version of the License is given a version number. Each version of the License is given a distinguishing number. Each license has its own version number. Each version of the license has its own number attached to it. Each license has a different number.