SpringerLink (Online service), Nederhof, M., & Groote, P. (2012). Formal grammar: 15th and 16th international conferences, FG 2010, Copenhagen, Denmark, August 2010, FG 2011, Ljubljana, Slovenia, August 2011, revised selected papers. Imprint: Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service), Mark-Jan Nederhof, و Philippe Groote. Formal Grammar: 15th and 16th International Conferences, FG 2010, Copenhagen, Denmark, August 2010, FG 2011, Ljubljana, Slovenia, August 2011, Revised Selected Papers. Berlin, Heidelberg: Imprint: Springer, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)SpringerLink (Online service), et al. Formal Grammar: 15th and 16th International Conferences, FG 2010, Copenhagen, Denmark, August 2010, FG 2011, Ljubljana, Slovenia, August 2011, Revised Selected Papers. Imprint: Springer, 2012.