Henderson (1983:595) Henderson, Michael M. T. (1983), "Four Varieties of Pashto", Journal of the American Oriental Society, 103 (3): 595–597, doi:10.2307/602038, JSTOR602038
Henderson (1983:595) Henderson, Michael M. T. (1983), "Four Varieties of Pashto", Journal of the American Oriental Society, 103 (3): 595–597, doi:10.2307/602038, JSTOR602038