1. Ahmed T, All SM, Aliaga A, Arnold F, Ayub M, Bhatti MH. 1992. Pakistan demographic and health survey 1990/91. Islamabad and Columbia, Maryland: National Institute of Population Studies and Macro hit Inc.
2. Baloch I. 1996. Islam, the state and identity: the Zikrees of Balochistan. In: Titus P, editor. Marginality and modernity: Ethnicity and change in post-colonial Balochistan. Karachi: Oxford University Press. pp 223–249. Bittles AH, Grant JC, Shami SA. 1993. Consanguinity as a determinant of reproductive behaviour and mortality in Pakistan. Int J Epidemiol 22:463–467.
3. Dupree L. 1980. Afghanistan. Princeton, New Jersey: Princeton University Press.