Gaya APA
      DAVID, F, R., DAVID, F, R. (2017).
    STRATEGIC MANAGEMENT : A COMPETITIVE ADVANTAGE APPROACH, CONCEPTS AND CASE, SIXTEENTH  EDITION (ED. 16).
    England:
  PEARSON EDUCATION LIMITED.
  
Gaya MLA
      DAVID, FRED, R.., DAVID, FOREST, R..
    "STRATEGIC MANAGEMENT : A COMPETITIVE ADVANTAGE APPROACH, CONCEPTS AND CASE, SIXTEENTH  EDITION".
    ED. 16
    England:
  PEARSON EDUCATION LIMITED,
  2017.
  Text.