Orig, T. S., & Asia-Pacific Regional Seminar on Satellite Communications Application for Distance Education. (1997). UP Open University hosts Asia-Pacific Seminar on Satellite Communication. Manila Bulletin.
Chicago-viite (17. p.)Orig, Thor S., ja Asia-Pacific Regional Seminar on Satellite Communications Application for Distance Education. "UP Open University Hosts Asia-Pacific Seminar on Satellite Communication." Manila Bulletin 1997.
MLA-viite (9. p.)Orig, Thor S., ja Asia-Pacific Regional Seminar on Satellite Communications Application for Distance Education. "UP Open University Hosts Asia-Pacific Seminar on Satellite Communication." Manila Bulletin, 1997.
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