Spinelli, E. (1999). English grammar for students of spanish: The study guide for those learning spanish (4a. ed.). Arnold.
Chicago-Zitierstil (17. Ausg.)Spinelli, Emily. English Grammar for Students of Spanish: The Study Guide for Those Learning Spanish. 4a. ed. Londres: Arnold, 1999.
MLA-Zitierstil (9. Ausg.)Spinelli, Emily. English Grammar for Students of Spanish: The Study Guide for Those Learning Spanish. 4a. ed. Arnold, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.