APA (7. basım) Alıntı

Schaller, H., Comati, S., & Krauß, R. (2015). Bulgarien-Jahrbuch 2013. Peter Lang International Academic Publishers.

Chicago Style (17. basım) Atıf

Schaller, Helmut, Sigrun Comati, ve Raiko Krauß. Bulgarien-Jahrbuch 2013. Bern: Peter Lang International Academic Publishers, 2015.

MLA (9th ed.) Atıf

Schaller, Helmut, et al. Bulgarien-Jahrbuch 2013. Peter Lang International Academic Publishers, 2015.