Aksu-Koc, Ayhan The Acquisition of aspect and modality : the case of past reference in Turkish / Ayhan Aksu-Koc - Cambridge : The University Press, 1988 - xiv, 245 p. ; 23 cm. Includes index Bibliography: p. 229-239 ISBN: 521331196 : ? 25.00 Subjects--Topical Terms: Turkish language--TenseTurkish language--AspectTurkish language--Modality Dewey Class. No.: 494.355