Cita APA (7th ed.)

Lancaster, D. (1975). Active-filter cookbook. Howard W. Sams.

Cita Chicago (17th ed.)

Lancaster, Don. Active-filter Cookbook. Indianápolis: Howard W. Sams, 1975.

Cita MLA (9th ed.)

Lancaster, Don. Active-filter Cookbook. Howard W. Sams, 1975.