Cita APA (7th ed.)

Christensen, C. R. (1982). Business policy: Text and cases (Fifth edition.). National Book Store.

Cita Chicago (17th ed.)

Christensen, C. Roland. Business Policy: Text and Cases. Fifth edition. Manila: National Book Store, 1982.

Cita MLA (9th ed.)

Christensen, C. Roland. Business Policy: Text and Cases. Fifth edition. National Book Store, 1982.