Jech, Thomas (2008년 6월). “What is … forcing?”(PDF). 《Notices of the American Mathematical Society》 (영어) 55 (6): 692–693. Zbl1194.03001.
Chow, Timothy Y. (2009). 〈A beginner’s guide to forcing〉. Chow, Timothy Y.; Isaksen, Daniel C. 《Communicating mathematics: a conference in honor of Joseph A. Gallian’s 65th birthday, July 16–19, 2007, University of Minnesota, Duluth, Minnesota》. Contemporary Mathematics (영어) 479. 25–40쪽. arXiv:0712.1320. Bibcode:2007arXiv0712.1320C. doi:10.1090/conm/479/09340. MR2513355. Zbl1183.03037.
Chow, Timothy Y. (2009). 〈A beginner’s guide to forcing〉. Chow, Timothy Y.; Isaksen, Daniel C. 《Communicating mathematics: a conference in honor of Joseph A. Gallian’s 65th birthday, July 16–19, 2007, University of Minnesota, Duluth, Minnesota》. Contemporary Mathematics (영어) 479. 25–40쪽. arXiv:0712.1320. Bibcode:2007arXiv0712.1320C. doi:10.1090/conm/479/09340. MR2513355. Zbl1183.03037.
Chow, Timothy Y. (2009). 〈A beginner’s guide to forcing〉. Chow, Timothy Y.; Isaksen, Daniel C. 《Communicating mathematics: a conference in honor of Joseph A. Gallian’s 65th birthday, July 16–19, 2007, University of Minnesota, Duluth, Minnesota》. Contemporary Mathematics (영어) 479. 25–40쪽. arXiv:0712.1320. Bibcode:2007arXiv0712.1320C. doi:10.1090/conm/479/09340. MR2513355. Zbl1183.03037.
Moore, Gregory H. (1987). 〈The origins of forcing〉. Drake, F. R.; Truss, J. K. 《Logic colloquium ’86. Proceedings of the colloquium held in Hull, U.K., 13–19 July 1986》. Studies in Logic and the Foundations of Mathematics (영어) 124. 143–173쪽. doi:10.1016/S0049-237X(09)70656-1. ISBN978-0-444-70326-2. Zbl0655.03034.
Chow, Timothy Y. (2009). 〈A beginner’s guide to forcing〉. Chow, Timothy Y.; Isaksen, Daniel C. 《Communicating mathematics: a conference in honor of Joseph A. Gallian’s 65th birthday, July 16–19, 2007, University of Minnesota, Duluth, Minnesota》. Contemporary Mathematics (영어) 479. 25–40쪽. arXiv:0712.1320. Bibcode:2007arXiv0712.1320C. doi:10.1090/conm/479/09340. MR2513355. Zbl1183.03037.
Jech, Thomas (2008년 6월). “What is … forcing?”(PDF). 《Notices of the American Mathematical Society》 (영어) 55 (6): 692–693. Zbl1194.03001.
Chow, Timothy Y. (2009). 〈A beginner’s guide to forcing〉. Chow, Timothy Y.; Isaksen, Daniel C. 《Communicating mathematics: a conference in honor of Joseph A. Gallian’s 65th birthday, July 16–19, 2007, University of Minnesota, Duluth, Minnesota》. Contemporary Mathematics (영어) 479. 25–40쪽. arXiv:0712.1320. Bibcode:2007arXiv0712.1320C. doi:10.1090/conm/479/09340. MR2513355. Zbl1183.03037.
Moore, Gregory H. (1987). 〈The origins of forcing〉. Drake, F. R.; Truss, J. K. 《Logic colloquium ’86. Proceedings of the colloquium held in Hull, U.K., 13–19 July 1986》. Studies in Logic and the Foundations of Mathematics (영어) 124. 143–173쪽. doi:10.1016/S0049-237X(09)70656-1. ISBN978-0-444-70326-2. Zbl0655.03034.