Παραπομπή APA

Koelma, A. (1992). Microsoft Office: Standard and professional. Prisma Computer Courses.

Παραπομπή Chicago Style

Koelma, Anita. Microsoft Office: Standard and Professional. Great Britain: Prisma Computer Courses, 1992.

Παραπομπή MLA

Koelma, Anita. Microsoft Office: Standard and Professional. Prisma Computer Courses, 1992.