APA Zitierstil

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

Chicago Zitierstil

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

MLA Zitierstil

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

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.