APA-Zitierstil (7. Ausg.)

PASS Cambridge BEC Higher: An examination preparation course ; updated for the revised exam ([New ed.,] 2. ed.). Summertown Publ.

Chicago-Zitierstil (17. Ausg.)

PASS Cambridge BEC Higher: An Examination Preparation Course ; Updated for the Revised Exam. [New ed.,] 2. ed. Oxford: Summertown Publ.

MLA-Zitierstil (9. Ausg.)

PASS Cambridge BEC Higher: An Examination Preparation Course ; Updated for the Revised Exam. [New ed.,] 2. ed. Summertown Publ.