Tohutoro APA (7th ed.)

Ward , r. P. . .. (1969). Introduction to electrical engineering (3rd ed.). Prentice Hall.

Tohutoru Kātū Chicago (17th ed.)

Ward , robert P. Introduction to Electrical Engineering. 3rd ed. New Delhi: Prentice Hall, 1969.

Tohutoro MLA (9th ed.)

Ward , robert P. Introduction to Electrical Engineering. 3rd ed. Prentice Hall, 1969.