Samuel J Leffler. (1989). The design and implementation of 4.3 BSD UNIX Operating system. Addison-Wesley Publishing.
استشهاد بنمط شيكاغوSamuel J Leffler. The Design and Implementation of 4.3 BSD UNIX Operating System. Addison-Wesley Publishing, 1989.
MLA استشهادSamuel J Leffler. The Design and Implementation of 4.3 BSD UNIX Operating System. Addison-Wesley Publishing, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.