Field, Evelyn F.; University of Lethbridge. Faculty of Arts and Science(Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006, 2006)
Bondaruk, Mandy; University of Lethbridge. Faculty of Arts and Science(Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2003, 2003)