Lua APA (7ú heag.)

Schwab, K. (2016). The fourth industrial revolution (1.ed.). protfolio penguin.

Lua i Stíl Chicago (17ú heag.)

Schwab, Klaus. The Fourth Industrial Revolution. 1.ed. england: protfolio penguin, 2016.

Lua MLA (9ú heag.)

Schwab, Klaus. The Fourth Industrial Revolution. 1.ed. protfolio penguin, 2016.

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