Style de citation APA

Jancar, B. (1971). The great purges and "the Prague spring". Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Style de citation Chicago

Jancar, Barbara. "The Great Purges and "the Prague Spring"." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1971.

Style de citation MLA

Jancar, Barbara. "The Great Purges and "the Prague Spring"." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1971.