APA
(2007). Formulation,implentation and control of competitive strategy. New York: McGraw- Hill companies.
Chicago
2007. Formulation,implentation and control of competitive strategy. New York: McGraw- Hill companies.
Harvard
(2007). Formulation,implentation and control of competitive strategy. New York: McGraw- Hill companies.
MLA
Formulation,implentation and control of competitive strategy. New York: McGraw- Hill companies. 2007.