APA-ийн эшлэл(7 дахь хэвлэлт)
Jan Leeuwen, G. F. I. SOFSEM 2007: Theory and Practice of Computer Science: 33nd Conference on Current Trends in Theory and Practice of Computer Science, Harrachov, Czech Republic, January 20-26, 2007, Proceedings. Springer.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Jan Leeuwen, Giuseppe F. Italiano. SOFSEM 2007: Theory and Practice of Computer Science: 33nd Conference on Current Trends in Theory and Practice of Computer Science, Harrachov, Czech Republic, January 20-26, 2007, Proceedings. Berlín, Alemania: Springer.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Jan Leeuwen, Giuseppe F. Italiano. SOFSEM 2007: Theory and Practice of Computer Science: 33nd Conference on Current Trends in Theory and Practice of Computer Science, Harrachov, Czech Republic, January 20-26, 2007, Proceedings. Springer.
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