Παραπομπή σε μορφή APA (7η εκδ.)

Encarnacion, J. (1976). A note on defining appropriate technology [microfilm]. Photoduplication Service,University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Encarnacion, Jose. A Note on Defining Appropriate Technology [microfilm]. Quezon City: Photoduplication Service,University of the Philippines Library, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Encarnacion, Jose. A Note on Defining Appropriate Technology [microfilm]. Photoduplication Service,University of the Philippines Library, 1976.