Cita APA (7th ed.)

GOPALAN K GOPAL. (2009). SIGNALS AND SYSTEMS. CENGAGE LEARNING.

Cita Chicago (17th ed.)

GOPALAN K GOPAL. SIGNALS AND SYSTEMS. AUSTRALIA: CENGAGE LEARNING, 2009.

Cita MLA (9th ed.)

GOPALAN K GOPAL. SIGNALS AND SYSTEMS. CENGAGE LEARNING, 2009.