APA

Gateva E., Lozanov G. & Konig M. (1991). The return. : St. Kliment Ohridski Univ. Press.

Chicago

Gateva Evelina, Lozanov Georgi and Konig Miroslava. 1991. The return. : St. Kliment Ohridski Univ. Press.

Harvard

Gateva E., Lozanov G. and Konig M. (1991). The return. : St. Kliment Ohridski Univ. Press.

MLA

Gateva Evelina, Lozanov Georgi and Konig Miroslava. The return. : St. Kliment Ohridski Univ. Press. 1991.