Beckel, D. (1975). Churchill: Canada's northern gateway, by Nan Shipley [Review]. Zenodo.
Cita Chicago (17th ed.)Beckel, Dorothy. Churchill: Canada's Northern Gateway, by Nan Shipley [Review]. Zenodo, 1975.
Cita MLA (9th ed.)Beckel, Dorothy. Churchill: Canada's Northern Gateway, by Nan Shipley [Review]. Zenodo, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.