APA (7. basım) Alıntı

Regents pub. co. (1977). The Blue book of business English. Regent Pub.

Chicago Style (17. basım) Atıf

Regents pub. co. The Blue Book of Business English. New york: Regent Pub, 1977.

MLA (9th ed.) Atıf

Regents pub. co. The Blue Book of Business English. Regent Pub, 1977.