Gaya APA

Statistics for management / Richard I. Levin ; David S. Rubin. (1997). Upper Saddle River, NJ: Prentice-Hall, c.

Gaya MLA

Statistics for management / Richard I. Levin ; David S. Rubin. 7th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 1997. Buku Wajib.