Halligan, J. (2021). Let's discover: Geography ... class (First edition February 2021.). CJ Fallon.
Citazione stile Chigago Style (17a edizione)Halligan, Jim. Let's Discover: Geography ... Class. First edition February 2021. Dublin: CJ Fallon, 2021.
Citatione MLA (9a ed.)Halligan, Jim. Let's Discover: Geography ... Class. First edition February 2021. CJ Fallon, 2021.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.