Basavarajappa, K.G.1968. 'Pre-marital Pregnancies and Ex-nuptial Births in Australia, 1911-66', The Australian and New Zealand Journal of Sociology , 4, 2: 126-145.
2.
Berkov, B. and J. Sklar1975. 'Methodological Options in Measuring Illegitimacy and the Difference They Make', Social Biology, 22: 356-371.
3.
Betts, K.1981. 'Ex-nuptially Conceived Births: A Note on Measurement' , The Australian and New Zealand Journal of Sociology, 17, 353-56.
4.
Carmichael, G.A.'Aspects of Ex-nuptiality in New Zealand: Toward a Social Demography of Marriage and the Family Since the Second World War'(forthcoming. Ph.D. thesis, Department of Demography, The Australian National University).
5.
Kumar, J.1969. Demographic Analysis of Data on Illegitimate Births' , Social Biology, 16: 92-108.
6.
Ruzicka, L.T.1975. 'Non-marital Pregnancies in Australia Since 1947' , Journal of Biosocial Science, 7, 2: 113-132.
