Spangler, A. I. (1944). English grammar: A self-teaching course, based on Functional grammar, ed. by Carleton Washburne. Macmillan.
Chicago-Zitierstil (17. Ausg.)Spangler, Agnes I. English Grammar: A Self-teaching Course, Based on Functional Grammar, Ed. by Carleton Washburne. New York: Macmillan, 1944.
MLA-Zitierstil (9. Ausg.)Spangler, Agnes I. English Grammar: A Self-teaching Course, Based on Functional Grammar, Ed. by Carleton Washburne. Macmillan, 1944.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.