Villaviray, J. (2002). New tribes missionaries no strangers to danger, death. Manila Times.
Chicago Style aipamenaVillaviray, Johnna. "New Tribes Missionaries No Strangers to Danger, Death." Manila Times 2002.
MLA aipamenaVillaviray, Johnna. "New Tribes Missionaries No Strangers to Danger, Death." Manila Times, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.