Acosta, E., & Iniego, F. (1994). Isang panayam kay Gelacio Guillermo: Makata, manunulat at manunuri. Philippine Collegian.
Chicago Style aipamenaAcosta, Ericson, and Florentino Iniego. "Isang Panayam Kay Gelacio Guillermo: Makata, Manunulat at Manunuri." Philippine Collegian 1994.
MLA aipamenaAcosta, Ericson, and Florentino Iniego. "Isang Panayam Kay Gelacio Guillermo: Makata, Manunulat at Manunuri." Philippine Collegian, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.