Lua APA (7ú heag.)
Kolby, J. (2000). Vocabulary 4000 eBook: The 4000 essential for an educated vocabulary. Nova Press.
Lua i Stíl Chicago (17ú heag.)
Kolby, Jeff. Vocabulary 4000 EBook: The 4000 Essential for an Educated Vocabulary. Los Angeles: Nova Press, 2000.
Lua MLA (9ú heag.)
Kolby, Jeff. Vocabulary 4000 EBook: The 4000 Essential for an Educated Vocabulary. Nova Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.