General guidance for the Appendix A (References) includes:

Ahead of other references provided in this Appendix, the architectures must be discoverable and accessible IAW Appendix H to this Enclosure and the architecture data and associated artifacts/views identified in Figure B-28 and, if applicable, Figure B-31 must also be discoverable.

At a minimum, architecture repositories will make each architecture project with its associated products (viewpoints) and architecture data sets discoverable to enterprise content search and discovery services.

See JCIDS Manual, Appendix H to Enclosure B (section 4) for types of architecture repositories, accessibility guidance (NIPERNET and SIPERNET), and purpose and use of the Warfighter Mission Area Architecture Federation and Integration Portal (WMA-AFIP)

Include the references you used to construct your DCR using your reference library as a guide.