Perham, M. F., & Simmons, J. (1963). Africa discovery: An anthology of exploration ([2d ed.). Northwestern University Press.
Cita Chicago Style (17a ed.)Perham, Margery Freda, y Jack Simmons. Africa Discovery: An Anthology of Exploration. [2d ed. Evanston]: Northwestern University Press, 1963.
Cita MLA (9a ed.)Perham, Margery Freda, y Jack Simmons. Africa Discovery: An Anthology of Exploration. [2d ed. Northwestern University Press, 1963.
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