LUDLUM, R. 1991. Ultimátum I. Budapest: I.P.C.
APA (7th ed.) CitationLudlum, R. (1991). Ultimátum I. I.P.C.
Chicago Style (17th ed.) CitationLudlum, Robert. Ultimátum I. Budapest: I.P.C, 1991.
MLA (9th ed.) CitationLudlum, Robert. Ultimátum I. I.P.C, 1991.
Warning: These citations may not always be 100% accurate.
