Lua APA (7ú heag.)

Kellerman, J. (2003). A cold heart (First edition.). Ballantine books.

Lua i Stíl Chicago (17ú heag.)

Kellerman, Jonathan. A Cold Heart. First edition. New York: Ballantine books, 2003.

Lua MLA (9ú heag.)

Kellerman, Jonathan. A Cold Heart. First edition. Ballantine books, 2003.

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