Gaya APA

CROWLEY, T., BOWERN, C. (2010). AN INTRODUCTION TO HISTORICAL LINGUISTICS : FOURTH EDITION (ED.4). NEW YORK: OXFORD UNIVERSITY PRESS.

Gaya MLA

CROWLEY, TERRY., BOWERN, CLAIRE. "AN INTRODUCTION TO HISTORICAL LINGUISTICS : FOURTH EDITION". ED.4 NEW YORK: OXFORD UNIVERSITY PRESS, 2010. Prodi S1 Sastra Inggris.