APA استشهاد

Harrison, N. (1985). Writting English: A User's Manual. Croom Helm.

استشهاد بنمط شيكاغو

Harrison, Nancy. Writting English: A User's Manual. London: Croom Helm, 1985.

MLA استشهاد

Harrison, Nancy. Writting English: A User's Manual. Croom Helm, 1985.