HAGERMAN, W. L. (1993). Broadcast Announcing William L. Hagerman. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)HAGERMAN, William L. Broadcast Announcing William L. Hagerman. Prentice-Hall, 1993.
Lua MLA (8ú heag.)HAGERMAN, William L. Broadcast Announcing William L. Hagerman. Prentice-Hall, 1993.
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