Cita APA (7th ed.)
Declerck, R., Reed, S., & Cappelle, B. (2006). The grammar of the English tense system: A comprehensive analysis. Mouton de Gruyter.
Cita Chicago (17th ed.)
Declerck, Renaat, Susan Reed, i Bert Cappelle. The Grammar of the English Tense System: A Comprehensive Analysis. Berlin ; New York: Mouton de Gruyter, 2006.
Cita MLA (9th ed.)
Declerck, Renaat, et al. The Grammar of the English Tense System: A Comprehensive Analysis. Mouton de Gruyter, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.