Gaya APA
David, F, R., David, F, R. (2015).
Strategic management: concepts and cases (15th ed.).
Upper Saddle River:
Pearson Prentice Hall.
Gaya MLA
David, Forest, R.., David, Fred, R..
"Strategic management: concepts and cases".
15th ed.
Upper Saddle River:
Pearson Prentice Hall,
2015.
Buku/Printed Material.