SpringerLink (Online service), Person, S., & Goodloe, A. E. (2012). NASA formal methods: 4th International symposium, NFM 2012, Norfolk, VA, USA, April 3-5, 2012. Proceedings. Springer Berlin Heidelberg.
芝加哥风格引文SpringerLink (Online service), Suzette Person, 与 Alwyn E. Goodloe. NASA Formal Methods: 4th International Symposium, NFM 2012, Norfolk, VA, USA, April 3-5, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
MLA引文SpringerLink (Online service), et al. NASA Formal Methods: 4th International Symposium, NFM 2012, Norfolk, VA, USA, April 3-5, 2012. Proceedings. Springer Berlin Heidelberg, 2012.
警告：这些引文格式不一定是100％准确.