Gaya APA

Encyclopedia International : 15 Prague Roy. (1978). : Lexicon Publications.

Gaya Chicago

Encyclopedia International : 15 Prague Roy. . : Lexicon Publications, 1978. Text.

Gaya MLA

Encyclopedia International : 15 Prague Roy. . : Lexicon Publications, 1978. Text.

Gaya Turabian

Encyclopedia International : 15 Prague Roy. : Lexicon Publications, 1978. Print.