Zerrudo, N. V., & Shearer, P. (1987). Philippine UFOsn: An anthology of strange real-life UFO encounters in the country. E. Z. Noriega.
Lua i Stíl Chicago (17ú heag.)Zerrudo, Nelson V., agus Peter Shearer. Philippine UFOsn: An Anthology of Strange Real-life UFO Encounters in the Country. Long Beach, Calif: E. Z. Noriega, 1987.
Lua MLA (9ú heag.)Zerrudo, Nelson V., agus Peter Shearer. Philippine UFOsn: An Anthology of Strange Real-life UFO Encounters in the Country. E. Z. Noriega, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.