Harper, W. (1969). Management Accounting.: W.N. Harper. Macdonald and evans.
Tohutoru Kātū Chicago (17th ed.)Harper, W.M. Management Accounting.: W.N. Harper. London: Macdonald and evans, 1969.
Tohutoro MLA (9th ed.)Harper, W.M. Management Accounting.: W.N. Harper. Macdonald and evans, 1969.
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