Leffler, S. J., & McKusick, M. K. (1991). The design and implementation of the 4.3BSD UNIX operating system answer book. Reading MA: Addison-Wesley Pub..
Чикагска система за цитиранеLeffler, Samuel J., и Marshall Kirk McKusick. The Design and Implementation of the 4.3BSD UNIX Operating System Answer Book. Reading MA: Addison-Wesley Pub., 1991.
MLA формат за цитиранеLeffler, Samuel J., и Marshall Kirk McKusick. The Design and Implementation of the 4.3BSD UNIX Operating System Answer Book. Reading MA: Addison-Wesley Pub., 1991.
Внимание: Тези цитати може да не са 100% точни.