+ {% if book.pdf_file %}
+ <span><a href="{{ book.pdf_file.url}}">PDF</a> do wydruku</span>
+ {% endif %}
+ {% if book.epub_file %}
+ <span><a href="{{ book.epub_file.url}}">EPUB</a> na czytnik</span>
+ {% endif %}
+ {% if book.mobi_file %}
+ <span><a href="{{ book.mobi_file.url}}">MOBI</a> na Kindle</span>
+ {% endif %}
+ {% if book.txt_file %}
+ <span><a href="{{ book.txt_file.url}}">TXT</a> do zadań specjalnych</span>
+ {% endif %}