Korstanje, M.
(2013).
 The Ethics of Sightseeing.
<em>El Periplo Sustentable, </em>(24), 173-179.
Consultado de <a href="https://rperiplo.uaemex.mx/article/view/4995" target="_new">https://rperiplo.uaemex.mx/article/view/4995</a>