Citazione Stile APA (7a Edizione)

Barry, Davies, T., & Pantling, N. (1987). World patterns and resources (1. printed.). Schofield & Sims.

Citazione stile Chigago Style (17a edizione)

Barry, Tim Davies, e Norman Pantling. World Patterns and Resources. 1. printed. Huddersfield: Schofield & Sims, 1987.

Citatione MLA (9a ed.)

Barry, et al. World Patterns and Resources. 1. printed. Schofield & Sims, 1987.