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.