Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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