APA aipamena

Haywood, R. (1998). Public relations for marketing professionals. Mac Millan.

Chicago Style aipamena

Haywood, Roger. Public Relations for Marketing Professionals. New York: Mac Millan, 1998.

MLA aipamena

Haywood, Roger. Public Relations for Marketing Professionals. Mac Millan, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.