Cita APA (7th ed.)

International Press Institute. (1962). Professional secrecy and the journalist. s.n.

Cita Chicago (17th ed.)

International Press Institute. Professional Secrecy and the Journalist. Zurich: s.n, 1962.

Cita MLA (9th ed.)

International Press Institute. Professional Secrecy and the Journalist. s.n, 1962.