APA
Hussain I., Department of Electrical Engineering, . (1990). Technical Report on Digital Telephone Exchange. Nawabshah: QUEST.
Chicago
Hussain Ishfaque, Department of Electrical Engineering, . 1990. Technical Report on Digital Telephone Exchange. Nawabshah: QUEST.
Harvard
Hussain I., Department of Electrical Engineering, . (1990). Technical Report on Digital Telephone Exchange. Nawabshah: QUEST.
MLA
Hussain Ishfaque, Department of Electrical Engineering, . Technical Report on Digital Telephone Exchange. Nawabshah: QUEST. 1990.