Powers, D. E., & Stansfield, C. W. (1983). The Test of Spoken English as a measure of communicative ability in the health professions: Validation and standard setting.
Chicago-Zitierstil (17. Ausg.)Powers, Donald E., und Charles W. Stansfield. The Test of Spoken English as a Measure of Communicative Ability in the Health Professions: Validation and Standard Setting. Princeton, N.J, 1983.
MLA-Zitierstil (9. Ausg.)Powers, Donald E., und Charles W. Stansfield. The Test of Spoken English as a Measure of Communicative Ability in the Health Professions: Validation and Standard Setting. 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.