Wallop, D. (1959). What has four wheels and flies?: A tale. Davies.
Chicago Style (17. basım) AtıfWallop, Douglass. What Has Four Wheels and Flies?: A Tale. London: Davies, 1959.
MLA (8th ed.) AtıfWallop, Douglass. What Has Four Wheels and Flies?: A Tale. Davies, 1959.
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