APA引文

Ritchie,, C. (1998). Operating systems (1.). BPB.

Chicago Edition Citation

Ritchie,, Colin. Operating Systems. 1. New Delhi: BPB, 1998.

MLA引文

Ritchie,, Colin. Operating Systems. 1. BPB, 1998.

警告:這些引文格式不一定是100%准確.