Maugham, W. S. (1967). The razor's edge. Pocket Books.
Lua i Stíl Chicago (17ú heag.)Maugham, W. Somerset. The Razor's Edge. New York: Pocket Books, 1967.
Lua MLA (9ú heag.)Maugham, W. Somerset. The Razor's Edge. Pocket Books, 1967.
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