Nikolai, L. A. (1980). Intermediate accounting. PWS-Kent.
Lua i Stíl Chicago (17ú heag.)Nikolai, Loren A. Intermediate Accounting. Boston: PWS-Kent, 1980.
Lua MLA (9ú heag.)Nikolai, Loren A. Intermediate Accounting. PWS-Kent, 1980.
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