Collett, H., & Winearls, N. (2020). Study & Master - Geography (First published 2012, updated 2020.). Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Collett, Helen, e Norma Winearls. Study & Master - Geography. First published 2012, updated 2020. Cambridge New York Melbourne New Delhi Cape Town: Cambridge University Press, 2020.
Citatione MLA (9a ed.)Collett, Helen, e Norma Winearls. Study & Master - Geography. First published 2012, updated 2020. Cambridge University Press, 2020.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.