APA استشهاد

Keat,Paul G, & K Y,Philip. (2004). Managerial economics (4.). Pearson Education.

استشهاد بنمط شيكاغو

Keat,Paul G, و K Y,Philip. Managerial Economics. 4. New Delhi: Pearson Education, 2004.

MLA استشهاد

Keat,Paul G, و K Y,Philip. Managerial Economics. 4. Pearson Education, 2004.