Lambton, Ann K. S. 1967. Key to Persian Grammar. Cambridge: University Press.
@book{Lambton-1967,
address = {Cambridge},
author = {Lambton, Ann K. S.},
publisher = {University Press},
title = {Key to Persian Grammar},
year = {1967},
iso_code = {pes},
olac_field = {general_linguistics; typology; syntax; morphology; semantics},
wals_code = {prs}
}