Berry, R. (1996). The Research project: How to write it (3rd ed.). London: Routledge.
Παραπομπή Chicago StyleBerry, Ralph. The Research Project: How to Write It. 3rd ed. London: Routledge, 1996.
Παραπομπή MLABerry, Ralph. The Research Project: How to Write It. 3rd ed. London: Routledge, 1996.
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