Salva, P. (1999). An introduction to direct marketing. Philippine Daily Inquirer.
Chicago Style (17th ed.) CitationSalva, Peithe. "An Introduction to Direct Marketing." Philippine Daily Inquirer 1999.
MLA (9th ed.) CitationSalva, Peithe. "An Introduction to Direct Marketing." Philippine Daily Inquirer, 1999.
Warning: These citations may not always be 100% accurate.