Lua APA (7ú heag.)

JETKINS,FRANK. (1983). PUBLIC RELATIONS. MACDONALD & EVANS.

Lua i Stíl Chicago (17ú heag.)

JETKINS,FRANK. PUBLIC RELATIONS. MACDONALD & EVANS, 1983.

Lua MLA (9ú heag.)

JETKINS,FRANK. PUBLIC RELATIONS. MACDONALD & EVANS, 1983.

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