Last, John M., 1926-, author
McGraw-Hill, 1997
Buku Teks
United Nations Fund for Population Activities, 1985
Buku Teks
edited by Lisa M. Lee... [and others]
oxford Univ Press, 2010
Buku Teks
by Mitch Blair ... [et al.]
Oxford University Press, 2004
Buku Teks
Lopez, Alan D., author
WHO, 1984
Buku Teks