Gaya APA

Lloyd, Herbert. (1971). Public Relations . London: Teach Youself Book.

Gaya Chicago

Lloyd, Herbert. Public Relations. London: Teach Youself Book, 1971. Text.

Gaya MLA

Lloyd, Herbert. Public Relations. London: Teach Youself Book, 1971. Text.

Gaya Turabian

Lloyd, Herbert. Public Relations. London: Teach Youself Book, 1971. Print.