GOPALAN K GOPAL. (2009). SIGNALS AND SYSTEMS. CENGAGE LEARNING.
Citazione stile Chigago Style (17a edizione)GOPALAN K GOPAL. SIGNALS AND SYSTEMS. AUSTRALIA: CENGAGE LEARNING, 2009.
Citatione MLA (9a ed.)GOPALAN K GOPAL. SIGNALS AND SYSTEMS. CENGAGE LEARNING, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.