Dyfyniad APA
GUILDENBERG, P., & DEVAUL, R. (1991). THE CHRONIC PAIN PATIENT: EVALUATION AND MANAGEMENT. KARGER.
Dyfyniad Arddull Chicago
GUILDENBERG, P., and R. DEVAUL. THE CHRONIC PAIN PATIENT: EVALUATION AND MANAGEMENT. BASEL: KARGER, 1991.
Dyfyniad MLA
GUILDENBERG, P., and R. DEVAUL. THE CHRONIC PAIN PATIENT: EVALUATION AND MANAGEMENT. KARGER, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.