app/views/dashboard/references/new.html.erb
<%= render 'partials/sidebar_dashboard' %>
<section class="main container">
<% if @reference.errors.any? %>
<div id="error_explanation">
<h3><%= pluralize(@reference.errors.count, "error") %></h3>
<ul>
<% @reference.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<div class="row">
<div class="col m12 offset-m1">
<%= render 'form' %>
</div>
</div>
</section>