Rensch and R., Calvin and Hallberg, Calinda E. and and O'Leary, Clare F. 1992. Sociolinguistic survey of Northern Pakistan 3: Hindko and Gujari. SIL and National Institute of Pakistan Studies Quaid-i-Azam University. // Marshall, David Lee. 1990. A phonological reconstruction of Proto-Hindko. Ann Arbor: UMI.
@misc{3315, author = {Rensch and R., Calvin and Hallberg, Calinda E. and and O'Leary, Clare F.}, title = {Sociolinguistic survey of Northern Pakistan 3: Hindko and Gujari. SIL and National Institute of Pakistan Studies Quaid-i-Azam University. // Marshall, David Lee. 1990. A phonological reconstruction of Proto-Hindko. Ann Arbor: UMI.}, year = {1992} }