APA ציטוט

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.

ציטוט MLA

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