Gaya APA

Silverman, J., Hughes, E. (2008). Good measures rules of thumb : A practice book to accompany (7). New York: Mc Graw Hill C0..

Gaya MLA

Silverman, Jay., Hughes, Elaine. "Good measures rules of thumb : A practice book to accompany". 7 New York: Mc Graw Hill C0., 2008. Text.