Cita APA

Williams, H. M. (1991). An essential english grammar with usage and composition. Calicut University.

Chicago Edition Citation

Williams, H. M. An Essential English Grammar with Usage and Composition. Kozhikode: Calicut University, 1991.

Cita MLA

Williams, H. M. An Essential English Grammar with Usage and Composition. Calicut University, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.