Cita APA (7th ed.)

Stumm, D. A. (1985). The new sales manager's survival guide. National Book Store.

Cita Chicago (17th ed.)

Stumm, David A. The New Sales Manager's Survival Guide. Manila: National Book Store, 1985.

Cita MLA (9th ed.)

Stumm, David A. The New Sales Manager's Survival Guide. National Book Store, 1985.