Citazione Stile APA (7a Edizione)

Dilkes, J. L., & Snowden, D. (1990). Learning through geography: Around and about (1. publ., 2. impression.). Hodder and Stoughton.

Citazione stile Chigago Style (17a edizione)

Dilkes, Jacqueline L., e David Snowden. Learning Through Geography: Around and About. 1. publ., 2. impression. London [u.a.]: Hodder and Stoughton, 1990.

Citatione MLA (9a ed.)

Dilkes, Jacqueline L., e David Snowden. Learning Through Geography: Around and About. 1. publ., 2. impression. Hodder and Stoughton, 1990.