HARDY LEN. (1987). SUCCESSFUL BUSINESS STRATEGY HOW TO WIN IN THE MARKET PLACE. KOGAN PAGE.
Chicago Style (17. basım) AtıfHARDY LEN. SUCCESSFUL BUSINESS STRATEGY HOW TO WIN IN THE MARKET PLACE. LONDON: KOGAN PAGE, 1987.
MLA (9th ed.) AtıfHARDY LEN. SUCCESSFUL BUSINESS STRATEGY HOW TO WIN IN THE MARKET PLACE. KOGAN PAGE, 1987.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..