APA citiranje

Penfold, R. A. (1991). Preamplifier and filter circuits. Bernard Babani.

Chicago Style (17th ed.) Citation

Penfold, R. A. Preamplifier and Filter Circuits. London: Bernard Babani, 1991.

MLA citiranje

Penfold, R. A. Preamplifier and Filter Circuits. Bernard Babani, 1991.