Gaya APA

Swanson, C, P., Levinson, I, D. (1992). Encyclopedia of world cultures volume IV europe central, western and ì southeastern europe . Boston: Boston: GK Hall & Co.; 1992.

Gaya MLA

Swanson, Carl, P.., Levinson, I., David. "Encyclopedia of world cultures volume IV europe central, western and ì southeastern europe". Boston: Boston: GK Hall & Co.; 1992, 1992. Text.