Durkheim, Emile, author
Free Press, 1961
Buku Teks
[edited by] Lucy Frith and Heather Draper
Books for Midwives , 2004
Buku Teks
Kilpi, Jukka, 1954-
Routledge, 1998
Buku Teks
editor, Spyros Doxiadis; editorial committee, Alastair Campbell V....[et al.]
John Wiley & Sons, 1990
Buku Teks
Reynolds, Paul Davidson, author
Prentice-Hall, 1982
Buku Teks