Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.