Crowther, G. (1977). Africa on a shoestring (Fourth edition.). Lonely Planet Publications.
Citazione stile Chigago Style (17a edizione)Crowther, Geoff. Africa on a Shoestring. Fourth edition. South Yarra: Lonely Planet Publications, 1977.
Citatione MLA (9a ed.)Crowther, Geoff. Africa on a Shoestring. Fourth edition. Lonely Planet Publications, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.