Walker, E. (1968). Case Problems In Financial Management / Ernest Walker. Appleton-Century -Crofts.
Lua i Stíl Chicago (17ú heag.)Walker, Ernest. Case Problems In Financial Management / Ernest Walker. Appleton-Century -Crofts, 1968.
Lua MLA (8ú heag.)Walker, Ernest. Case Problems In Financial Management / Ernest Walker. Appleton-Century -Crofts, 1968.
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