Kirschner, D. (2009). Love in 90 days: The essential guide to finding your own true love. Center Street.
Lua i Stíl Chicago (17ú heag.)Kirschner, Diana. Love in 90 Days: The Essential Guide to Finding Your Own True Love. New York: Center Street, 2009.
Lua MLA (8ú heag.)Kirschner, Diana. Love in 90 Days: The Essential Guide to Finding Your Own True Love. Center Street, 2009.
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