RB, et al. “Preface.” Canada Since 1945, by ROBERT BOTHWELL et al., University of Toronto Press, Toronto; Buffalo; London, 1989, pp. xi-xii. JSTOR, www.jstor.org/stable/10.3138/j.ctt1287vz1.3. Accessed 16 Jan. 2021.
RB, ID, & JE. (1989). Preface. In BOTHWELL R., DRUMMOND I., & ENGLISH J. (Authors), Canada Since 1945 (pp. Xi-Xii). Toronto; Buffalo; London: University of Toronto Press. Retrieved January 16, 2021, from http://www.jstor.org/stable/10.3138/j.ctt1287vz1.3
RB, ID, and JE. "Preface." In Canada Since 1945, by BOTHWELL ROBERT, DRUMMOND IAN, and ENGLISH JOHN, Xi-Xii. Toronto; Buffalo; London: University of Toronto Press, 1989. Accessed January 16, 2021. http://www.jstor.org/stable/10.3138/j.ctt1287vz1.3.
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