APA (7th ed.) Zitazioa
Procter, B. H. (1998). William Randolph Hearst: The early years, 1863-1910. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Procter, Ben H. William Randolph Hearst: The Early Years, 1863-1910. New York: Oxford University Press, 1998.
MLA (9th ed.) Zitazioa
Procter, Ben H. William Randolph Hearst: The Early Years, 1863-1910. Oxford University Press, 1998.
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