Gaya APA
Birnbaum, H., Vryonis, S.
(1972).
Aspects of the Balkans: Continuity and Change
.
Den Haag:
Mouton.
Gaya MLA
Birnbaum, Henrik., Vryonis, Speros.
"Aspects of the Balkans: Continuity and Change".
Den Haag:
Mouton,
1972.
Text.