Cita APA (7th ed.)

HOWARD WILFRED EDT. (1985). PRACTICE OF PUBLIC RELATION (2ND.). HEINEMANN.

Cita Chicago (17th ed.)

HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. LONDON: HEINEMANN, 1985.

Cita MLA (9th ed.)

HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. HEINEMANN, 1985.