1. College Board. (2015).AP German language and culture 2015 free-response questions. Retrieved fromhttps://secure-media.collegeboard.org/digitalServices/pdf/ap/ap15_frq_german_language.pdf
2. College Board. (2016).AP German language and culture 2016 free-response questions. Retrieved fromhttps://secure-media.collegeboard.org/digitalServices/pdf/ap/ap16_frq_german_language.pdf
3. College Board. (2017).2017 AP German language and culture free-response questions. Retrieved fromhttps://apcentral.collegeboard.org/pdf/ap-german-language-frq-2017.pdf
4. College Board. (2018).2018 AP German language and culture free-response questions. Retrieved fromhttps://apcentral.collegeboard.org/pdf/ap18-frq-german-language.pdf
5. College Board. (2019).AP German language and culture: Course and exam description. Retrieved fromhttps://apcentral.collegeboard.org/pdf/ap-german-course-and-exam-description.pdf?course=ap-german-language-and-culture