Citace podle APA (7th ed.)

Geffner, A. B. (2000). How to write better business letters (3rd ed.). Barron's Educational Series.

Citace podle Chicago (17th ed.)

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Hauppauge, N.Y: Barron's Educational Series, 2000.

Citace podle MLA (9th ed.)

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Barron's Educational Series, 2000.

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