Rensch, Calvin R., Calinda E. Hallberg & Clare F. and O'Leary. 1992. Sociolinguistic survey of Northern Pakistan 3: Hindko and Gujari. SIL & National Institute of Pakistan Studies Quaid-i-Azam University. ; Marshall, David Lee. 1990. A phonological reconstruction of Proto-Hindko. Ann Arbor: UMI.
@misc{10156,
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 & National Institute of Pakistan Studies Quaid-i-Azam University. ; Marshall, David Lee. 1990. A phonological reconstruction of Proto-Hindko. Ann Arbor: UMI.},
year = {1992}
}