Dela Cruz, R. R. (1975). Public relations: Theory and practice. R.R. Public Relations.
Chicago Style (17th ed.) CitationDela Cruz, R R. Public Relations: Theory and Practice. Manila: R.R. Public Relations, 1975.
MLA (9th ed.) CitationDela Cruz, R R. Public Relations: Theory and Practice. R.R. Public Relations, 1975.
Warning: These citations may not always be 100% accurate.