APA (7 ম সংস্করণ) উদ্ধৃতি

Abdul – Hameed, T. A. (2015). An Appraisal of GSM Telecommunications Services Delivery in Lagos and Oyo States of Nigeria.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Abdul – Hameed, Taofeek Adekunle. An Appraisal of GSM Telecommunications Services Delivery in Lagos and Oyo States of Nigeria. 2015.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Abdul – Hameed, Taofeek Adekunle. An Appraisal of GSM Telecommunications Services Delivery in Lagos and Oyo States of Nigeria. 2015.