Citazione Stile APA (7a Edizione)

Willoughby, S., & Atkinson, B. (1994). Expansion, trade & industry (1. publ.). Heinemann.

Citazione stile Chigago Style (17a edizione)

Willoughby, Susan, e Barry Atkinson. Expansion, Trade & Industry. 1. publ. Oxford [u.a.]: Heinemann, 1994.

Citatione MLA (9a ed.)

Willoughby, Susan, e Barry Atkinson. Expansion, Trade & Industry. 1. publ. Heinemann, 1994.