Silverman, J., & Jay Silverman; Elaine Hughes; Diana Roberts Wienbroer. (2008). Rules of thumb: A guide for writers. New York: McGraw-Hill.
Παραπομπή Chicago StyleSilverman, Jay, και Jay Silverman; Elaine Hughes; Diana Roberts Wienbroer. Rules of Thumb: A Guide for Writers. New York: McGraw-Hill, 2008.
Παραπομπή MLASilverman, Jay, και Jay Silverman; Elaine Hughes; Diana Roberts Wienbroer. Rules of Thumb: A Guide for Writers. New York: McGraw-Hill, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.