Παραπομπή σε μορφή APA (7η εκδ.)

Mellors, C., Pollitt, D., & Radtke, A. (1993). Directory of language training and services for business: A guide to resources in further and higher education. Routledge.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mellors, Colin, David Pollitt, και Andrew Radtke. Directory of Language Training and Services for Business: A Guide to Resources in Further and Higher Education. London: Routledge, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mellors, Colin, et al. Directory of Language Training and Services for Business: A Guide to Resources in Further and Higher Education. Routledge, 1993.