edited by John C. Caldwell
Dept. of Demography, A.N.U, 1977
Buku Teks
Chapman, W. A. J.
Edward Arnold, 1972
Buku Teks
Halliday, David, 1916-2010, author
John Wiley & Sons, 1986
Buku Teks
Ton J. Cleophas
[Springer, ], 2012
eBooks
Foster, Jack Stroud, author
Batsford, 1990
Buku Teks