Selecciones del Reader's Digest. (1967). Hotel St. Gregory Arthur Hailey. Reader's Digest.
Lua i Stíl Chicago (17ú heag.)Selecciones del Reader's Digest. Hotel St. Gregory Arthur Hailey. México: Reader's Digest, 1967.
Lua MLA (9ú heag.)Selecciones del Reader's Digest. Hotel St. Gregory Arthur Hailey. Reader's Digest, 1967.
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