Παραπομπή APA

Van Blerkom,, M. L. (2009). Measurement and statistics for teachers. Routledge.

Παραπομπή Chicago Style

Van Blerkom,, Malcolm L. Measurement and Statistics for Teachers. London: Routledge, 2009.

Παραπομπή MLA

Van Blerkom,, Malcolm L. Measurement and Statistics for Teachers. Routledge, 2009.