Agova-Petrova, V., Romanova, A. Еnglish for students of International Economic Relations. Sofia: Nauka i iskustwo, 1976 355 p.
Agova-Petrova, V., Romanova, A. Еnglish for students of International Economic Relations. Sofia: Nauka i iskustwo, 1976 355 p.
Agova-Petrova, V., Romanova, A. (1976) Еnglish for students of International Economic Relations, Sofia: Nauka i iskustwo 355 p.
Agova-Petrova, V., & Romanova, A. (1976). Еnglish for students of International Economic Relations. 1 st and 2 nd year study. Sofia: Nauka i iskustwo, 355 p.
Agova-Petrova V, Romanova A. Еnglish for students of International Economic Relations: 1 st and 2 nd year study. Sofia: Nauka i iskustwo; 1976. p. 355 p.