Gaya APA
Encyclopedia International : 16 Royal Ballet Sofia. (1978).
:
Lexicon Publications.
Gaya Chicago
Encyclopedia International : 16 Royal Ballet Sofia.
.
:
Lexicon Publications,
1978.
Text.
Gaya MLA
Encyclopedia International : 16 Royal Ballet Sofia.
.
:
Lexicon Publications,
1978.
Text.
Gaya Turabian
Encyclopedia International : 16 Royal Ballet Sofia.
:
Lexicon Publications,
1978.
Print.