APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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