Erro, E. M. G. (2013). Assessment of levels of empowerment of the farmers for agritourism in Casiguran, Aurora. University of the Philippines, Asia Institute of Tourism.
Chicago-referens (17:e uppl.)Erro, Erika Mary G. Assessment of Levels of Empowerment of the Farmers for Agritourism in Casiguran, Aurora. Quezon City: University of the Philippines, Asia Institute of Tourism, 2013.
MLA-referens (9:e uppl.)Erro, Erika Mary G. Assessment of Levels of Empowerment of the Farmers for Agritourism in Casiguran, Aurora. University of the Philippines, Asia Institute of Tourism, 2013.
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