Cita APA

Whittington, M. S. 1., & Williams, G. 1. (1990). Canadian politics in the 1990s (3. edition.). Scarborough Ontario: Nelson Canada.

Citación estilo Chicago

Whittington, Michael S. 1942-, y Glen 1947- Williams. Canadian Politics in the 1990s. 3. edition. Scarborough Ontario: Nelson Canada, 1990.

Cita MLA

Whittington, Michael S. 1942-, y Glen 1947- Williams. Canadian Politics in the 1990s. 3. edition. Scarborough Ontario: Nelson Canada, 1990.