{{ $taxonomy := "categories" }}

{{ with .GetTerms $taxonomy }}
  <p class="taglist">
    {{ (site.GetPage $taxonomy).LinkTitle }}:
    {{ range $k, $_ := . -}}
      {{ if $k }}, {{ end }}
      <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
    {{- end }}
  </p>
{{ end }}