Schuster, S. Dialing for donors. HealthTech publishing.
Cita Chicago Style (17a ed.)Schuster, Sydney. Dialing for Donors. Providence, RI: HealthTech publishing.
Cita MLA (8a ed.)Schuster, Sydney. Dialing for Donors. HealthTech publishing.
Precaución: Estas citas no son 100% exactas.