Citazione Stile APA (7a Edizione)

Bunnett, R. B. (1986). General geography in diagrams (3. ed., new impression.). Longman.

Citazione stile Chigago Style (17a edizione)

Bunnett, Ronald B. General Geography in Diagrams. 3. ed., new impression. London: Longman, 1986.

Citatione MLA (9a ed.)

Bunnett, Ronald B. General Geography in Diagrams. 3. ed., new impression. Longman, 1986.