Costales, B., & Costales, B. (2002). Sendmail: Bryan Costales (3. edition.). Beijing: O'Reilly.
Chicago Style CitationCostales, Bryan, and Bryan Costales. Sendmail: Bryan Costales. 3. edition. Beijing: O'Reilly, 2002.
MLA CitationCostales, Bryan, and Bryan Costales. Sendmail: Bryan Costales. 3. edition. Beijing: O'Reilly, 2002.
Warning: These citations may not always be 100% accurate.