APA
Gerus O. W., Baran A., . (1989). Millenium of Christianity in Ukraine, 988-1988. Winnipeg: Ukrainian Academy of Arts and Sciences in Canada.
Chicago
Gerus Oleh W, Baran Alexander, . 1989. Millenium of Christianity in Ukraine, 988-1988. Winnipeg: Ukrainian Academy of Arts and Sciences in Canada.
Harvard
Gerus O. W., Baran A., . (1989). Millenium of Christianity in Ukraine, 988-1988. Winnipeg: Ukrainian Academy of Arts and Sciences in Canada.
MLA
Gerus Oleh W, Baran Alexander, . Millenium of Christianity in Ukraine, 988-1988. Winnipeg: Ukrainian Academy of Arts and Sciences in Canada. 1989.