Lua APA (7ú heag.)

Rifkin, J. (1987). Time wars: The primary conflict in human history. Holt.

Lua i Stíl Chicago (17ú heag.)

Rifkin, Jeremy. Time Wars: The Primary Conflict in Human History. New York: Holt, 1987.

Lua MLA (8ú heag.)

Rifkin, Jeremy. Time Wars: The Primary Conflict in Human History. Holt, 1987.

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