APA

Penfold RA, . (1996). How to use oscilloscopes and other test equipment. London: Bernard.

Chicago

Penfold RA, . 1996. How to use oscilloscopes and other test equipment. London: Bernard.

Harvard

Penfold RA, . (1996). How to use oscilloscopes and other test equipment. London: Bernard.

MLA

Penfold RA, . How to use oscilloscopes and other test equipment. London: Bernard. 1996.