Lua APA (7ú heag.)

Robinson, K., & Aronica, L. (2009). The element: How finding your passion changes everything. Viking.

Lua i Stíl Chicago (17ú heag.)

Robinson, Ken, agus Lou Aronica. The Element: How Finding Your Passion Changes Everything. New York: Viking, 2009.

Lua MLA (8ú heag.)

Robinson, Ken, agus Lou Aronica. The Element: How Finding Your Passion Changes Everything. Viking, 2009.

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