Lua APA (7ú heag.)

Kallaus, N. F. (1992). Administrative office management (Abridged 10th ed.). South Western.

Lua i Stíl Chicago (17ú heag.)

Kallaus, Norman Francis. Administrative Office Management. Abridged 10th ed. Cincinnati, Ohio: South Western, 1992.

Lua MLA (9ú heag.)

Kallaus, Norman Francis. Administrative Office Management. Abridged 10th ed. South Western, 1992.

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