APA استشهاد

Stephen, P., & Hornby, S. (1995). Simple statistics for library and information professionals. London.

استشهاد بنمط شيكاغو

Stephen, Peter, و Susan Hornby. Simple Statistics for Library and Information Professionals. Library association publishing: London, 1995.

MLA استشهاد

Stephen, Peter, و Susan Hornby. Simple Statistics for Library and Information Professionals. London, 1995.