APA-viite (7. p.)
Black Book - Red Sky At Morning: The Newspaper Industry (November 1993). Bernstein Institutional Services LLC.
Chicago-viite (17. p.)
Black Book - Red Sky At Morning: The Newspaper Industry (November 1993). Bernstein Institutional Services LLC.
MLA-viite (9. p.)
Black Book - Red Sky At Morning: The Newspaper Industry (November 1993). Bernstein Institutional Services LLC.
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