Regier, P. J. (1977). A Learner's Guide to the Old Church Slavic Language. Teil 1: Grammar with Exercises: Teil 1: Grammar with Exercises. Peter Lang International Academic Publishers.
Chicago-viite (17. p.)Regier, Philip J. A Learner's Guide to the Old Church Slavic Language. Teil 1: Grammar with Exercises: Teil 1: Grammar with Exercises. Bern: Peter Lang International Academic Publishers, 1977.
MLA-viite (9. p.)Regier, Philip J. A Learner's Guide to the Old Church Slavic Language. Teil 1: Grammar with Exercises: Teil 1: Grammar with Exercises. Peter Lang International Academic Publishers, 1977.
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