Gaya APA

al., E. et al (2003,2004). Discrete Mathematics For Computer Scientists And Mathematicians (Ed. 2). New Delhi: Prentice-Hall of India Private Limited.

Gaya MLA

al., Et. et al. "Discrete Mathematics For Computer Scientists And Mathematicians". Ed. 2 New Delhi: Prentice-Hall of India Private Limited, 2003,2004. Text.