แม่แบบ:R:fa:Windfuhr:1979
Windfuhr, Gernot Ludwig (1979) Persian Grammar. History and State of its Study (Trends in Linguistics. State-of-the-Art Reports; 12)[1], Berlin: De Gruyter, DOI:, →ISBN
Windfuhr, Gernot Ludwig (1979) Persian Grammar. History and State of its Study (Trends in Linguistics. State-of-the-Art Reports; 12)[1], Berlin: De Gruyter, DOI:10.1515/9783110800425, →ISBN