Gaya APA

Helal, A. (1999). (FIK - SISTEM INFORMASI - TEKNIK INFORMATIKA) Any Time. Anywhere Computing (1). United State of America: kluwer Academic Publishers.

Gaya MLA

Helal, Abdelsalam. "(FIK - SISTEM INFORMASI - TEKNIK INFORMATIKA) Any Time. Anywhere Computing". 1 United State of America: kluwer Academic Publishers, 1999. TEXT.