Mervin, David
Ronald Reagan and the American presidency
Longman, 1990
Buku Teks SO
McCuaig, Ronald
Ballad of bloodthirsty bessie : and other poems
Angus and Roberson, 1961
Buku Teks SO
Community as Event Ronald F.Day
Artikel Jurnal
Munson, Ronald
Intervention and reflection / Ronald Munson
Wadsworth, 1983
Buku Teks SO
Hasty, Ronald W.
Retailing / Ronald W. Hasty
Harper & Row, Publishers, 1983
Buku Teks SO