Laidler, E. (1976). Variance Accounting Ernest Laidler. The McMillan Press.
Lua i Stíl Chicago (17ú heag.)Laidler, Ernest. Variance Accounting Ernest Laidler. The McMillan Press, 1976.
Lua MLA (8ú heag.)Laidler, Ernest. Variance Accounting Ernest Laidler. The McMillan Press, 1976.
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