APA引文

Heck, H. (1993). UNIX: Working with UNIX and XENIX. Prisma computer courses.

Chicago Edition Citation

Heck, Hans-Josef. UNIX: Working with UNIX and XENIX. Great Britain: Prisma computer courses, 1993.

MLA引文

Heck, Hans-Josef. UNIX: Working with UNIX and XENIX. Prisma computer courses, 1993.

警告：這些引文格式不一定是100％准確.