Dyfyniad APA
GRELLA, C., & ET AL. HIV RISK BEHAVIORS AMONG WOMEN IN METHADONE MAINTENANCE TREATMENT.
Dyfyniad Arddull Chicago
GRELLA, C.E, and ET AL. HIV RISK BEHAVIORS AMONG WOMEN IN METHADONE MAINTENANCE TREATMENT.
Dyfyniad MLA
GRELLA, C.E, and ET AL. HIV RISK BEHAVIORS AMONG WOMEN IN METHADONE MAINTENANCE TREATMENT.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.