Marshall, J. V., & Anderson, J. (1992). Walkabout ([2nd ed.].). Heinemann English Language Teaching.
Cita Chicago Style (17a ed.)Marshall, James Vance, y Jim Anderson. Walkabout. [2nd ed.]. Oxford: Heinemann English Language Teaching, 1992.
Cita MLA (9a ed.)Marshall, James Vance, y Jim Anderson. Walkabout. [2nd ed.]. Heinemann English Language Teaching, 1992.
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