APA-Zitierstil (7. Ausg.)

Tabakova, K., Iliev, E., & Kalenderova, P. (2018). History and civilizations: 9th grade : student's book. Klett Bulgaria.

Chicago-Zitierstil (17. Ausg.)

Tabakova, K., E. Iliev, und P. Kalenderova. History and Civilizations: 9th Grade : Student's Book. Sofija: Klett Bulgaria, 2018.

MLA-Zitierstil (9. Ausg.)

Tabakova, K., et al. History and Civilizations: 9th Grade : Student's Book. Klett Bulgaria, 2018.