Pachman, L. (1970). Semi-open games. Chess ltd..
Chicago Style (17th ed.) CitationPachman, Luděk. Semi-open Games. Sutton Coldfield [Warwicks]: Chess ltd., 1970.
MLA (9th ed.) CitationPachman, Luděk. Semi-open Games. Chess ltd., 1970.
Warning: These citations may not always be 100% accurate.