APA
(1980). Quantitative Methods for Business Students. London: Heinemann Professional Publihing Ltd.
Chicago
1980. Quantitative Methods for Business Students. London: Heinemann Professional Publihing Ltd.
Harvard
(1980). Quantitative Methods for Business Students. London: Heinemann Professional Publihing Ltd.
MLA
Quantitative Methods for Business Students. London: Heinemann Professional Publihing Ltd. 1980.