Lua APA (7ú heag.)

Godin, S. (2002). Purple Cow. Penguin Books.

Lua i Stíl Chicago (17ú heag.)

Godin, Seth. Purple Cow. London: Penguin Books, 2002.

Lua MLA (9ú heag.)

Godin, Seth. Purple Cow. Penguin Books, 2002.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.