Lua APA (7ú heag.)

Filfus, N. (1928). Principles and exercises in accounting. Globe Book Company.

Lua i Stíl Chicago (17ú heag.)

Filfus, Nathaniel. Principles and Exercises in Accounting. New York: Globe Book Company, 1928.

Lua MLA (8ú heag.)

Filfus, Nathaniel. Principles and Exercises in Accounting. Globe Book Company, 1928.

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