Παραπομπή σε μορφή APA (7η εκδ.)

Norman, S. (1992). We mean business: An elementary course in business English : teacher's book. Longman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Norman, Susan. We Mean Business: An Elementary Course in Business English : Teacher's Book. Essex: Longman, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Norman, Susan. We Mean Business: An Elementary Course in Business English : Teacher's Book. Longman, 1992.