Gaya APA

Bowen, E, K., Starr, M, K. (1982). Basic statistic for business and economics . Aucland: Mc Graw-Hill International Book Company.

Gaya MLA

Bowen, Earl, K.., Starr, Martin, K. "Basic statistic for business and economics". Aucland: Mc Graw-Hill International Book Company, 1982. Text.