Παραπομπή σε μορφή APA (7η εκδ.)

Keene, M. L. (1993). Effective professional and technical writing (2nd ed.). D.C. Heath and Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keene, Michael L. Effective Professional and Technical Writing. 2nd ed. Lexington, Mass.: D.C. Heath and Co., 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Keene, Michael L. Effective Professional and Technical Writing. 2nd ed. D.C. Heath and Co., 1993.