</span> <span class="reference-text"><span class="citation book">Julie A. Buckler (2005). <a rel="nofollow" class="external text" href="http://books.google.com/?id=3dW1OHNkxRUC&amp;pg=PA230"><i>Mapping St. Petersburg: imperial text and cityshape</i></a>. Princeton University Press. pp.&#160;230–233. <a href="//en.wikipedia.org/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a>&#160;<a href="//en.wikipedia.org/wiki/Special:BookSources/0-691-11349-1" title="Special: