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-referens (17:e uppl.)Orig, Thor S., och 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-referens (9:e uppl.)Orig, Thor S., och 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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