Lua APA (7ú heag.)

BENDER, L. W., & WYGAL, B. R. (1977). Improving relations with the public. Jossey-Bass.

Lua i Stíl Chicago (17ú heag.)

BENDER, Louis W., agus Benjamin R. WYGAL. Improving Relations with the Public. San Francisco: Jossey-Bass, 1977.

Lua MLA (9ú heag.)

BENDER, Louis W., agus Benjamin R. WYGAL. Improving Relations with the Public. Jossey-Bass, 1977.

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