APA (7th ed.) Citation

Sani Abdu. (2022). Introduction to digital information system and service. National Open University of Nigeria.

Chicago Style (17th ed.) Citation

Sani Abdu. Introduction to Digital Information System and Service. Nigeria: National Open University of Nigeria, 2022.

MLA (9th ed.) Citation

Sani Abdu. Introduction to Digital Information System and Service. National Open University of Nigeria, 2022.

Warning: These citations may not always be 100% accurate.