Montague, Harriet F.
The significance of mathematics
Charles E. Merrill, 1963
 Buku Teks SO
Significance of the korea-U.S. Alliance
 Artikel Jurnal
Morant, G.M.
The significance of racial defferences
Unesco, 1952
 Buku Teks SO
McEwen, F.L.
The use and significance of pesticides in the environment
John Wiley & Sons, 1979
 Buku Teks SO
A Journalism reader
edited with introductions by Michael Bromley, Tom O'Malley
Routledge , 1997
 Buku Teks SO