Citazione Stile APA (7a Edizione)

Christensen, C. R., & Learned, E. P. (1973). Business policy: Text and cases (3d ed.). National Book Store.

Citazione stile Chigago Style (17a edizione)

Christensen, Carl Roland, e Edmund Philip Learned. Business Policy: Text and Cases. 3d ed. [Manila]: National Book Store, 1973.

Citatione MLA (9a ed.)

Christensen, Carl Roland, e Edmund Philip Learned. Business Policy: Text and Cases. 3d ed. National Book Store, 1973.