Greenbaum, S., & Sidney Greenbaum and Gerald Nelson. (2002). An introduction to English grammar. England: Pearson education.
Chicago Style CitationGreenbaum, Sidney, i Sidney Greenbaum and Gerald Nelson. An Introduction to English Grammar. England: Pearson education, 2002.
Cita MLAGreenbaum, Sidney, i Sidney Greenbaum and Gerald Nelson. An Introduction to English Grammar. England: Pearson education, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.