APA aipamena

Geffner, A. B. (1998). Barron's ESL guide to American business English. Barron's Educational Series.

Chicago Style aipamena

Geffner, Andrea B. Barron's ESL Guide to American Business English. Hauppauge, N.Y: Barron's Educational Series, 1998.

MLA aipamena

Geffner, Andrea B. Barron's ESL Guide to American Business English. Barron's Educational Series, 1998.