Silverman, J., Hughes, E., & Wienbroer, D. R. (2008). Rules of thumb: A guide for writers (7th ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleSilverman, Jay, Elaine Hughes, and Diana Roberts Wienbroer. Rules of Thumb: A Guide for Writers. 7th ed. New York: McGraw-Hill, 2008.
Παραπομπή MLASilverman, Jay, Elaine Hughes, and Diana Roberts Wienbroer. Rules of Thumb: A Guide for Writers. 7th ed. New York: McGraw-Hill, 2008.
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