Cita APA

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

Citación estilo Chicago

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.

Precaución: Estas citas no son 100% exactas.